-al -ly -ol a-a a-b a-c a-t aaa aab aac aal aao aas aat aay ab- aba abb abc abl abo abs abt aby ac- aca acb acc acl aco acs act acy al- ala alb alc all alo als alt aly aoa aob aoc aol aoo aos aot as- asa asb asc asl aso ass ast asy at- ata atb atc atl ato ats att ay- aya ayc ayl ayo ays ayt baa bab bac bal bao bas bat bay bba bbb bbc bbl bbo bbs bbt bby bca bcb bcc bcl bco bcs bct bcy bla blb blc bll blo bls blt bly boa bob boc bol boo bos bot boy bsa bsb bsc bsl bso bss bst bsy bta btb btc btl bto bts btt bty by- bya byc byl byo bys byt c-- caa cab cac cal cao cas cat cay cba cbb cbc cbl cbo cbs cbt cby cca ccb ccc ccl cco ccs cct cl- cla clb clc cll clo cls clt cly co- coa cob coc col coo cos cot coy csa csb csc csl cso css cst csy cta ctb ctc ctl cto cts ctt cty cya cyb cyc cyl cyo cys cyt la- laa lab lac lal lao las lat lay lba lbb lbc lbl lbo lbs lbt lca lcb lcc lcl lco lcs lct lcy lla llb llc lll llo lls llt lly loa lob loc lol loo los lot loy lsa lsb lsc lsl lso lss lst lta ltb ltc ltl lto lts ltt lya lyc lyl lyo lys lyt oaa oab oac oal oao oas oat ob- oba obb obc obl obo obs obt oby oc- oca ocb occ ocl oco ocs oct ola olb olc oll olo ols olt oly oo- ooa oob ooc ool ooo oos oot os- osa osb osc osl oso oss ost ot- ota otb otc otl oto ots ott oya oyl oyo oys saa sab sac sal sao sas sat say sba sbb sbc sbl sbo sbs sbt sby sca scb scc scl sco scs sct sla slb slc sll slo sls slt sly soa sob soc sol soo sos sot soy ss- ssa ssb ssc ssl sso sss sst sta stb stc stl sto sts stt sty sy- sya syb syc syl sys syt taa tab tac tal tao tas tat tay tba tbb tbc tbl tbo tbs tbt tca tcb tcc tcl tco tcs tct tla tlc tll tlo tls tlt to- toa tob toc tol too tos tot toy tsa tsb tsc tsl tso tss tst tsy tta ttb ttc ttl tto tts ttt tty tya tyc tyl tyo tys tyt yaa yab yac yal yao yas yat yay ybc ybl ybs yby yca ycc ycl yco ycs ycy ylc yll yls ylt yly yob yoc yol yoo yos yot yoy ysa ysb ysc ysl yso yss yst ysy yta ytc ytl yto yts ytt yyb yyc yys yyt yyy