a-a a-c a-t aaa aac aak aam aao aat ac- aca acc ack acm aco act aka akc akk akm ako ama amc amk amm amo amt aoa aoc aok aom aoo aot at- ata atc atm ato att c-- caa cac cak cam cao cat cca ccc cck ccm cco cct cka ckc ckm cko ckt cma cmc cmk cmm cmo cmt co- coa coc cok com coo cot cta ctc ctk ctm cto ctt k-t ka- kaa kac kak kam kao kat kca kcc kck kcm kct kkc kkk kkm kkt kma kmc kmk kmm kmo kmt koa koc kok kom koo kot kta ktc ktk ktm kto ktt m-o maa mac mak mam mao mat mc- mca mcc mck mcm mco mct mka mkc mkk mkm mko mkt mma mmc mmk mmm mmo mmt moa moc mok mom moo mot mta mtc mtk mtm mto mtt oaa oac oak oam oao oat oc- oca occ ock ocm oco oct oka okc okk oko om- oma omc omm omo omt oo- ooa ooc ook oom ooo oot ot- ota otc otk otm oto ott taa tac tak tam tao tat tca tcc tck tcm tco tct tka tkc tkk tkm tko tkt tma tmc tmk tmm tmo tmt to- toa toc tok tom too tot tta ttc ttk ttm tto ttt