document.write( "Question 815338: List all possible four-letter words that can be formed from the word MEDITERRANEAN such that the first letter is E and the last letter is R.\r
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Algebra.Com's Answer #490883 by Edwin McCravy(20055)\"\" \"About 
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List all possible four-letter words that can be formed from the word MEDITERRANEAN such that the first letter is E and the last letter is R.
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document.write( "They're listed below but here is how to calculate how many there are\r\n" );
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document.write( "E _ _ R   We want to fill those two blanks.\r\n" );
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document.write( "Case 1.  The two letters in the blanks are the same.\r\n" );
document.write( "The only such possibilities are these 3:  EAAR, EEER, ENNR.\r\n" );
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document.write( "Case 2.  The two letters in the blanks are different. Then\r\n" );
document.write( "we must choose them from these 8: M,E,D,I,T,R,A,N.  We can\r\n" );
document.write( "choose the letter for the first blank in 8 ways, and for\r\n" );
document.write( "each of those ways we can choose the letter for the second\r\n" );
document.write( "blank 7 ways. That's 8×7 or 56 ways.\r\n" );
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document.write( "So 3 ways from case 1 plus 56 ways from case 2, gives us\r\n" );
document.write( "59 ways total.\r\n" );
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document.write( "Here are all 59 ways listed:\r\n" );
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document.write( " 1.  EAAR\r\n" );
document.write( " 2.  EADR\r\n" );
document.write( " 3.  EAER\r\n" );
document.write( " 4.  EAIR\r\n" );
document.write( " 5.  EAMR\r\n" );
document.write( " 6.  EANR\r\n" );
document.write( " 7.  EARR\r\n" );
document.write( " 8.  EATR\r\n" );
document.write( " 9.  EDAR\r\n" );
document.write( "10.  EDER\r\n" );
document.write( "11.  EDIR\r\n" );
document.write( "12.  EDMR\r\n" );
document.write( "13.  EDNR\r\n" );
document.write( "14.  EDRR\r\n" );
document.write( "15.  EDTR\r\n" );
document.write( "16.  EEAR\r\n" );
document.write( "17.  EEDR\r\n" );
document.write( "18.  EEER\r\n" );
document.write( "19.  EEIR\r\n" );
document.write( "20.  EEMR\r\n" );
document.write( "21.  EENR\r\n" );
document.write( "22.  EERR\r\n" );
document.write( "23.  EETR\r\n" );
document.write( "24.  EIAR\r\n" );
document.write( "25.  EIDR\r\n" );
document.write( "26.  EIER\r\n" );
document.write( "27.  EIMR\r\n" );
document.write( "28.  EINR\r\n" );
document.write( "29.  EIRR\r\n" );
document.write( "30.  EITR\r\n" );
document.write( "31.  EMAR\r\n" );
document.write( "32.  EMDR\r\n" );
document.write( "33.  EMER\r\n" );
document.write( "34.  EMIR\r\n" );
document.write( "35.  EMNR\r\n" );
document.write( "36.  EMRR\r\n" );
document.write( "37.  EMTR\r\n" );
document.write( "38.  ENAR\r\n" );
document.write( "39.  ENDR\r\n" );
document.write( "40.  ENER\r\n" );
document.write( "41.  ENIR\r\n" );
document.write( "42.  ENMR\r\n" );
document.write( "43.  ENNR\r\n" );
document.write( "44.  ENRR\r\n" );
document.write( "45.  ENTR\r\n" );
document.write( "46.  ERAR\r\n" );
document.write( "47.  ERDR\r\n" );
document.write( "48.  ERER\r\n" );
document.write( "49.  ERIR\r\n" );
document.write( "50.  ERMR\r\n" );
document.write( "51.  ERNR\r\n" );
document.write( "52.  ERTR\r\n" );
document.write( "53.  ETAR\r\n" );
document.write( "54.  ETDR\r\n" );
document.write( "55.  ETER\r\n" );
document.write( "56.  ETIR\r\n" );
document.write( "57.  ETMR\r\n" );
document.write( "58.  ETNR\r\n" );
document.write( "59.  ETRR\r\n" );
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document.write( "Edwin
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