-al -ly a-a a-b a-c aaa aab aac aal aan aay ab- aba abb abc abl abn aby ac- aca acb acc acl acn acy al- ala alb alc all aln aly an- ana anb anc anl ann any ay- aya ayc ayl ayn baa bab bac bal ban bay bba bbb bbc bbl bbn bby bca bcb bcc bcl bcn bcy bla blb blc bll bln bly bna bnb bnc bnl bnn by- bya byc byl byn c-- caa cab cac cal can cay cba cbb cbc cbl cbn cby cca ccb ccc ccl ccn cl- cla clb clc cll cln cly cn- cna cnb cnc cnl cnn cny cya cyb cyc cyl cyn la- laa lab lac lal lan lay lba lbb lbc lbl lca lcb lcc lcl lcn lcy lla llb llc lll lln lly lna lnb lnc lnl lnn lya lyc lyl lyn naa nab nac nal nan nay nba nbb nbc nbl nbn nca ncb ncc ncl ncn nla nlb nlc nll nln nly nna nnb nnc nnl nnn nya nyc nyl nyn nyy yaa yab yac yal yan yay ybc ybl yby yca ycc ycl ycy ylc yll yly yna ynn yny yyb yyc yyy