-al -ly -ol a-a a-b a-t aaa aab aak aal aao aat aay ab- aba abb abk abl abo abt aby aka akb akk akl ako al- ala alb alk all alo alt aly aoa aob aok aol aoo aot at- ata atb atl ato att ay- aya ayk ayl ayo ayt baa bab bak bal bao bat bay bba bbb bbk bbl bbo bbt bby bka bkb bkk bkl bko bkt bla blb blk bll blo blt bly boa bob bok bol boo bot boy bta btb btk btl bto btt bty by- bya byk byl byo byt k-t ka- kaa kab kak kal kao kat kay kba kbb kbk kbl kbo kkb kkk kkl kkt kky kl- kla klb klo klt kly koa kob kok kol koo kot koy kta ktb ktk ktl kto ktt kya kyl kyo kyt la- laa lab lak lal lao lat lay lba lbb lbk lbl lbo lbt lka lkb lkl lkt lky lla llb llk lll llo llt lly loa lob lok lol loo lot loy lta ltb ltk ltl lto ltt lya lyk lyl lyo lyt oaa oab oak oal oao oat ob- oba obb obk obl obo obt oby oka okb okk okl oko ola olb olk oll olo olt oly oo- ooa oob ook ool ooo oot ot- ota otb otk otl oto ott oya oyl oyo taa tab tak tal tao tat tay tba tbb tbk tbl tbo tbt tka tkb tkk tkl tko tkt tky tla tlk tll tlo tlt to- toa tob tok tol too tot toy tta ttb ttk ttl tto ttt tty tya tyl tyo tyt yaa yab yak yal yao yat yay ybl yby yka ykk ylk yll ylt yly yob yok yol yoo yot yoy yta ytk ytl yto ytt yyb yyt yyy