-ana a-ya aaaa aaab aaac aaal aaan aaba aabb aabc aabl aaby aaca aacb aacc aacl aacn aacy aala aalc aall aana abaa abab abac abal aban abay abb- abba abbb abby abca abcb abcc abcl abcn abla ably abyc abyy acaa acab acac acan acba acbl acca accc accy acla aclc acyl alaa alac alal alan alay alb- alba albc alby alca alcc all- alla alll alln ally alna alya alyn ana- anaa anab anac anal anan anba anbb anbl anca ancc ancy anla anlc anln anna annb anny anya ayal ayan ayay ayca ayla ayna ayya baaa baal baan baba babb baby bac- baca bacc bacn bala balc ball baly bana banc bann baya bayl bbay bbbb bblb bcaa bcbc bcca bccc bccl blaa blab blac blan blay bly- blyn bnya byan byla bync caaa caab caac caal caan caba caby cac- caca cacc cala calc call cana canc cann cany cbac cbal cbbc cbca cbcc cbcl cbcn cblb cblc cbln cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccl ccla cclc ccna ccnb ccnc ccny clab clan clay cly- cnaa cnac cnbc cnbl cnna cya- cyaa cyan cyba cybb cybc cyc- cyca cycb cycc cycl cyl- cylc cyll cyn- cyy- cyyc cyyn laaa laac laal laan laba laby laca lacc lacl lacy lala lall lan- lana lanc lann lany laya layn lbcc lcac lcbc lcca lccc llan llay llcc lllc llll llyn lyc- lyla lyly lyna lync lynn lyyn naaa naab naac naal naan naba nabc nabl naca nacc nacl nala nalc nall nan- nana nanb nann nany naya nayl nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nclc ncln ncna ncnc nlab nlcc nnnn nyaa nyac nyal nycc nycy nyla nyll nyny yaan yaba yacc yacy yala yall yana yann yaya ybnl ycab yccc ylay ylla ynca yyyy