a-a a-t aaa aam aao aar aat ama amm amo amr amt aoa aom aoo aor aot ar- ara arm aro arr art at- ata atm ato atr att m-o m-r maa mam mao mar mat mma mmm mmo mmr mmt moa mom moo mor mot mra mrm mro mrr mrt mta mtm mto mtr mtt oaa oam oao oar oat om- oma omm omo omr omt oo- ooa oom ooo oor oot or- ora orm oro orr ort ot- ota otm oto otr ott ra- raa ram rao rar rat rma rmm rmo rmr rmt roa rom roo ror rot rra rrm rrr rrt rta rtm rto rtr rtt taa tam tao tar tat tma tmm tmo tmr tmt to- toa tom too tor tot tra trm tro trr trt tta ttm tto ttr ttt