a-a a-t aaa aak aam aao aar aat aka akk akm ako akr ama amk amm amo amr amt aoa aok aom aoo aor aot ar- ara ark arm aro arr art at- ata atm ato atr att k-t ka- kaa kak kam kao kar kat kkk kkm kkr kkt kma kmk kmm kmo kmt koa kok kom koo kor kot kra krk kro krr krt kta ktk ktm kto ktr ktt m-o m-r maa mak mam mao mar mat mka mkk mkm mko mkr mkt mma mmk mmm mmo mmr mmt moa mok mom moo mor mot mra mrk mrm mro mrr mrt mta mtk mtm mto mtr mtt oaa oak oam oao oar oat oka okk oko okr om- oma omm omo omr omt oo- ooa ook oom ooo oor oot or- ora ork orm oro orr ort ot- ota otk otm oto otr ott ra- raa rak ram rao rar rat rkk rkm rko rkt rma rmm rmo rmr rmt roa rok rom roo ror rot rra rrk rrm rrr rrt rta rtk rtm rto rtr rtt taa tak tam tao tar tat tka tkk tkm tko tkr tkt tma tmk tmm tmo tmr tmt to- toa tok tom too tor tot tra trk trm tro trr trt tta ttk ttm tto ttr ttt