a-be a-ya aaaa aaab aaac aaae aaal aaba aabb aabc aabl aaby aaca aacb aacc aace aacl aacy aaea aaec aala aalc aale aall abaa abab abac abae abal abay abb- abba abbb abbe abby abca abcb abcc abcl abec abee abel abey abla able ably abyc abye abyy acaa acab acac acae acba acbl acca accc acce accy ace- acea acec acel acey acla aclc acle acyl aeac aeby aecb aecl aela aelc alaa alac alae alal alay alb- alba albc albe alby alca alcc alce alea alec alee aley all- alla alle alll ally alya ayal ayay ayca ayce ayel ayla ayle ayya baaa baal baba babb babe baby bac- baca bacc bace bael bala balc bale ball baly baya baye bayl bbay bbbb bbeb bblb bcaa bcbc bcca bccc bccl bcec beal beay beba bebb bebe beby beca beeb beel beey bela bele bell bely beya beye beyl blaa blab blac blae blay blea bleb blee bley bly- blye byce byla byle caaa caab caac caal caba cabe caby cac- caca cacc cace caec cala calc cale call caye cbac cbal cbbc cbca cbcc cbce cbcl cbea cbec cbee cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccee ccel ccla cclc ceac ceal ceba cec- ceca cece ceeb ceec ceel cel- cela celc cele cell cely ceyl clab clay clea clec clee cley cly- clye cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cycl cyl- cylc cyle cyll cyy- cyyc e-cl e-la eaba eaca eacc eaec eala ealc eale ebac ebal ebay ebba ebbc ebby ebcc ebel ebla ebya ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecla ecly eeby eeca eeea eeee eele eely el-b elab elac elal elay elba elbe elca elcb elce elea elec elee eley ella elle elly elya eyal eyeb eyec eyey eyle laaa laac laal laba labe laby laca lacc lace lacl lacy lael lala lale lall laya laye lbcc lcac lcbc lcca lccc lcce leaa leal leba leca lece lecy leea leel lela lele lell lely leya leye llay llcc lllc llll lyc- lyce lyla lyle lyly yaba yacc yacy yael yala yale yall yaya ycab yccc ycee yeal yeel yela yele yell yeye ylay ylla ylle yyyy