a-ya a-yo aaaa aaab aaac aaal aaba aabb aabc aabl aaby aaca aacb aacc aacl aaco aacy aala aalc aall aalo aaoo abaa abab abac abal abay abb- abba abbb abbo abby abca abcb abcc abcl abla ablo ably aboa abob abol aboo aboy abyc abyy acaa acab acac acba acbl acca accc acco accy acla aclc acoa acol acoy acyl alaa alac alal alao alay alb- alba albc albo alby alca alcc alco all- alla alll allo ally aloa aloc alol aloo aloy alya aoba aoca aola ay-o ayal ayao ayay ayca ayla ayoo ayya baaa baal baba babb babo baby bac- baca bacc baco bala balc ball balo baly baol baya bayl bayo bbay bbbb bblb bboy bbyo bcaa bcbc bcca bccc bccl blaa blab blac blay blob bloc bloo bloy bly- boab boac boal boba bobb bobo boby boca boco bola boll bolo boly boob booc bool boya boyl boyo byla byoa byob byoc byol c-bo caaa caab caac caal caba cabo caby cac- caca cacc caco cala calc call calo caol cayo cbac cbal cbbc cbca cbcc cbcl cblb cblc cbol ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccla cclc ccob ccoc clab clay clob cloo cloy cly- coal coba cobb cobo coby coca coco col- cola colb coll colo coly coob cool coya coyl coyo cya- cyaa cyba cybb cybc cybo cyc- cyca cycb cycc cycl cyl- cylc cyll cyoa cyy- cyyc laaa laac laal laba labo laby laca lacc lacl laco lacy lala lall lalo laya layo lbcc lcac lcbc lcca lccc llao llay llcc lllc llll lloa lloc lloo loac loay lob- loba lobb lobo loby loca locc loco lola loll lolo loly loob looc lool loya lyao lyc- lyco lyla lyly lyo- oall obal obay obba obbo obby obla obol oboy ocab ocac ocal ocbc occa occc oclc olac olay olba olbo olby olca olcc olla ollo olly olya ooaa ooba ooby oola oolo oooo oyly yaba yabo yacc yaco yacy yala yall yalo yaya yayo ycab ycao yccc ylay ylla yoal yoba yobo yola yoll yolo yoly yool yoyo yyyy