-al -ly -ol a-a a-b a-c aaa aab aac aal aan aao aay ab- aba abb abc abl abn abo aby ac- aca acb acc acl acn aco acy al- ala alb alc all aln alo aly an- ana anb anc anl ann ano any aoa aob aoc aol aon aoo ay- aya ayc ayl ayn ayo baa bab bac bal ban bao bay bba bbb bbc bbl bbn bbo bby bca bcb bcc bcl bcn bco bcy bla blb blc bll bln blo bly bna bnb bnc bnl bnn bno boa bob boc bol bon boo boy by- bya byc byl byn byo c-- caa cab cac cal can cao cay cba cbb cbc cbl cbn cbo cby cca ccb ccc ccl ccn cco cl- cla clb clc cll cln clo cly cn- cna cnb cnc cnl cnn cno cny co- coa cob coc col con coo coy cya cyb cyc cyl cyn cyo la- laa lab lac lal lan lao lay lba lbb lbc lbl lbo lca lcb lcc lcl lcn lco lcy lla llb llc lll lln llo lly lna lnb lnc lnl lnn lno loa lob loc lol lon loo loy lya lyc lyl lyn lyo naa nab nac nal nan nao nay nba nbb nbc nbl nbn nbo nca ncb ncc ncl ncn nco nla nlb nlc nll nln nlo nly nna nnb nnc nnl nnn nno no- noa nob noc nol non noo noy nya nyc nyl nyn nyo nyy oaa oab oac oal oan oao ob- oba obb obc obl obn obo oby oc- oca ocb occ ocl ocn oco ola olb olc oll oln olo oly on- ona onb onc onl onn ono ony oo- ooa oob ooc ool oon ooo oya oyl oyo yaa yab yac yal yan yao yay ybc ybl yby yca ycc ycl yco ycy ylc yll yly yna ynn yny yob yoc yol yon yoo yoy yyb yyc yyy