-ey a-a a-b a-c aaa aab aac aae aaf aak aao aay ab- aba abb abc abe abf abk abo aby ac- aca acb acc ace acf ack aco acy aea aeb aec aee aef aek aeo aey af- afa afb afc afe aff afk afo afy aka akb akc ake akk ako aoa aob aoc aoe aof aok aoo ay- aya ayc aye ayf ayk ayo baa bab bac bae baf bak bao bay bba bbb bbc bbe bbf bbk bbo bby bca bcb bcc bce bcf bck bco bcy be- bea beb bec bee bef bek beo bey bfa bfb bfc bfe bff bfo bfy bka bkb bkc bke bkf bkk bko boa bob boc boe bof bok boo boy by- bya byc bye byf byk byo c-- caa cab cac cae caf cak cao cay cba cbb cbc cbe cbf cbk cbo cby cca ccb ccc cce ccf cck cco ce- cea ceb cec cee cef cek ceo cey cfa cfb cfc cfe cff cfk cfo cka ckb ckc cko cky co- coa cob coc coe cof cok coo coy cya cyb cyc cye cyf cyk cyo eaa eab eac eae eaf eak eao eba ebb ebc ebe ebf ebk ebo eby ec- eca ecb ecc ece ecf eck eco eea eeb eec eee eef eek eeo eey ef- efa efb efc efe eff efo eka ekb ekc eke ekf eko eky eo- eoa eob eoc eoe eof eok eoo eya eyc eye eyo faa fab fac fae faf fak fao fay fba fbb fbc fbe fbf fbk fbo fca fcb fcc fce fcf fck fco fcy fea feb fec fee fef fek feo fey ffa ffc ffe fff ffk ffo ffy fka fkb fkc fkf fkk foa fob foc foe fof fok foo foy fy- fya fyb fyc fye fyk fyo ka- kaa kab kac kae kaf kak kao kay kba kbb kbc kbe kbf kbk kbo kca kcb kcc kce kck ke- kea keb kec kee kef kek keo key kfa kfc kff kfo kkb kkc kke kkk kky koa kob koc koe kof kok koo koy kya kyc kye kyo oaa oab oac oae oaf oak oao ob- oba obb obc obe obf obk obo oby oc- oca ocb occ ocf ock oco oea oeb oec oee oef oeo oey of- ofa ofb ofc ofe off ofo oka okb okc oke okk oko oo- ooa oob ooc oof ook ooo oya oye oyo yaa yab yac yae yaf yak yao yay ybc ybe ybf yby yca ycc yce ycf yco ycy yea yeb yec yee yef yek yeo yey yfa yfc yfe yff yka ykk yob yoc yoe yof yok yoo yoy yyb yyc yye yyf yyy

a-ak a-be a-ok a-ya a-yo aaaa aaab aaac aaae aaaf aaba aabb aabc aaby aaca aacb aacc aace aacf aack aaco aacy aaea aaec aafa aafb aafc aaff aaka aake aaoe aaoo abaa abab abac abae abaf abak abay abb- abba abbb abbe abbo abby abca abcb abcc abcf abec abee abey abff aboa abob abof abok aboo aboy abyc abye abyy acaa acab acac acae acba acca accc acce accf acco accy ace- acea acec acek acey acfc acfe acke acoa acoe acoy aeac aeaf aeby aecb aeka afaa afak afao afca afcb afcc afee afek affa affc affo affy afka afoa afoe afoo afye akaa akae akao akay akca akee akey akka akko akok aoba aoca aoce ay-o ayao ayay ayca ayce ayoo ayya baaa baaf baak baba babb babe babo baby bac- baca bacc bace back baco baek bafc baff bafo bak- baka bake bako baya baye bayo bbay bbbb bbeb bbfc bboy bbyo bcaa bcbc bcca bccc bcec bcfc bcof beaf beak beay beba bebb bebe bebo beby beca beck beeb beef beek beey befa befe beff befo beka beke beko beo- beof beok beya beye beyk bfca bkcy boab boac boak boba bobb bobe bobo boby boca boce bock boco boea boec boee boef boeo boey bofa bofe boff boka boke boko boob booc booe boof book boya boye boyf boyo byce byck byke byoa byob byoc c-bo caaa caab caac caaf caba cabe cabf cabo caby cac- caca cacc cace cack caco caec cafa cafb cafc cafe caff caka cake caky caye cayo cbac cbbc cbca cbcc cbce cbea cbec cbee cbef cbfb cbfc cbka cbko ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf ccee ccfa ccfc ccff ccob ccoc ceac ceba cec- ceca cece ceco ceeb ceec cef- cefa cefc ceke cfaa cfab cfac cfae cfao cfbc cfca cfcb cfcf cfco cfcy cffb cfoa cfyk ckac ckbc ckbe ckck ckco ckcy ckey ckoa ckob ckoc ckoo ckoy coak coba cobb cobe cobo coby coca coce cock coco cofc cofe coff cok- coka coke coko coky coob coof cook coya coyf coyo cya- cyaa cyba cybb cybc cybo cyc- cyca cycb cycc cyfe cyke cyoa cyy- cyyc eaaf eaba eaca eacc eaec eafb ebac ebay ebba ebbc ebbo ebby ebcc ebfc eboe eboo eboy ebya ecaa ecac ecao ecbc ecbe ecca eccb eccc ecce ecco ecef ecfa ecfc ecka ecko ecky eco- eeby eeca eeea eeee eefa eefe eeka eeke eeoc efab efca efco efeo effa effy efke efya eka- ekab ekco ekeb ekek ekfc ekka ekoa eoka eyak eyck eyeb eyec eyey eyke f--k faaa faac faba fabe fabo faca facc face fack facy faeb fafa fafc fafe faff fafo fake fako faky faya faye fayo fcab fcba fcca fccf feaf feak feba febo fece feck feeb feek fefc fefe feff fefo feke feko feof ffcc ffee ffff fkab foaf foak foba foca foce fock foco fofo foke foof fook foya fyce fyeo fyfe fyke kaaa kaab kaaf kaak kaay kaba kabb kabc kabe kabf kabo kaby kacb kacc kace kaco kacy kaeo kafa kafc kafe kaff kafy kaka kakc kake kakk kako kaoa kaoc kaok kaya kaye kayf kayo kbaa kbab kbac kbae kbak kbay kbba kbbb kbbc kbbe kbbf kbbk kbbo kbca kbcb kbce kbck kbco