a-a a-c a-t aaa aac aam aao aat aay ac- aca acc acm aco act acy ama amc amm amo amt amy aoa aoc aom aoo aot at- ata atc atm ato att ay- aya ayc ayo ayt c-- caa cac cam cao cat cay cca ccc ccm cco cct cma cmc cmm cmo cmt cmy co- coa coc com coo cot coy cta ctc ctm cto ctt cty cya cyc cym cyo cyt m-o maa mac mam mao mat may mc- mca mcc mcm mco mct mma mmc mmm mmo mmt moa moc mom moo mot moy mta mtc mtm mto mtt my- mya myc mym myo myt oaa oac oam oao oat oc- oca occ ocm oco oct om- oma omc omm omo omt omy oo- ooa ooc oom ooo oot ot- ota otc otm oto ott oya oyo taa tac tam tao tat tay tca tcc tcm tco tct tma tmc tmm tmo tmt tmy to- toa toc tom too tot toy tta ttc ttm tto ttt tty tya tyc tym tyo tyt yaa yac yam yao yat yay yca ycc yco ycy yma ymc ymm ymo ymt yoc yom yoo yot yoy yta ytc ytm yto ytt yyc yyt yyy