a-be a-ya aaaa aaab aaac aaae aaar aaba aabb aabc aaby aaca aacb aacc aace aacr aacy aaea aaec aara aarc aare abaa abab abac abae abaj abar abay abb- abba abbb abbe abbr abby abca abcb abcc abcr abec abee aber abey abra abrc abry abyc abye abyy acaa acab acac acae acar acba acca accc acce accy ace- acea acec acer acey acr- acra acrc acre acrr acry aeac aeby aecb aeer aer- aera aerc aery ajab ajac ajar ajay ajba ajee arab arac arae arar aray arba arbe arby arc- arca arce area arec aree arey arja arje arr- arra arrc arre arrr arry ary- arya arye ayar ayay ayca ayce ayer ayra ayre ayry ayya baaa baar baba babb babe babr baby bac- baca bacc bace baer baja bar- bara barb barc bare barr bary baya baye bbay bbbb bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcra bear beay beba bebb bebe beby beca beeb beej beer beey beja bera berc bere berr bery beya beye bjcc bjec brab brac brae braj bray brca brcb brce brea breb brec bree brer brey brje brrr bry- brya brye byar byce byer byre caaa caab caac caba cabe caby cac- caca cacc cace cacr caec caer caja cara carb carc care carj carr cary caye cayr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbre cbrj cbry ccaa ccab ccac ccar ccba ccbc ccca cccb cccc ccee ccra ccrc ccre ceac cear ceba cec- ceca cece ceeb ceec ceja cejc cer- cera cerc cere cery cjar cjbc cjca cjcb cjcj cjcy cjrb cjrc cjrj cjye crab crac craj crar cray crbc crca crcc crce crcr cre- crea creb crec cree cry- crya cryb cya- cyaa cyar cyba cybb cybc cyc- cyca cycb cycc cyra cyre cyy- cyyc eaba eaca eacc eaec eara earb eare eary ebac ebay ebba ebbc ebbr ebby ebcc eber ebya ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecra ecrc ecrr eeby eeca eeea eeee eera eerc eery ejay ejby ejer eray erba erbb erbe erca ercc erce ereb erec erer erja erra errc erre erya eryc erye eyeb eyec eyer eyey eyra eyre eyry eyyr jaar jaba jabr jaca jacc jace jaer jaja jara jarc jare jarr jary jaya jaye jbaa jbar jcbc jccc jcrc jear jebb jebe jeer jera jere jeya jjar jjcc jrbr jybe jyce raab raaj raba rabb rabe raby rac- raca racc race racy raec raer raja raje rara rarb rare rary raya raye rayj rayr rbbb rbbr rcac rcbc rccb rccc rcyc rea- reac reae rear reay reba rebb rebe reca recc rece recr recy reeb reja rera rere rery reya reye rrrr ryba rybe ryeb yaar yaba yacc yacy yaje yara yarb yare yarj yarr yary yaya yber ybry ycab yccc ycee year yeer yerb yere yerr yery yeye yeyr yyyy