a-a a-c a-t a-z aaa aac aam aao aar aat aaz ac- aca acc acm aco acr act acz ama amc amm amo amr amt amz aoa aoc aom aoo aor aot ar- ara arc arm aro arr art arz at- ata atc atm ato atr att atz az- aza azm azo azt azz c-- caa cac cam cao car cat caz cca ccc ccm cco ccr cct ccz cma cmc cmm cmo cmr cmt co- coa coc com coo cor cot coz cra crc crm cro crr crt crz cta ctc ctm cto ctr ctt ctz cz- czc czm czo czt m-o m-r maa mac mam mao mar mat maz mc- mca mcc mcm mco mcr mct mcz mma mmc mmm mmo mmr mmt mmz moa moc mom moo mor mot moz mra mrc mrm mro mrr mrt mrz mta mtc mtm mto mtr mtt mza mzm mzt oaa oac oam oao oar oat oc- oca occ ocm oco ocr oct ocz om- oma omc omm omo omr omt omz oo- ooa ooc oom ooo oor oot or- ora orc orm oro orr ort orz ot- ota otc otm oto otr ott otz oza ozm ozo ozt ozz ra- raa rac ram rao rar rat raz rca rcc rcm rco rcr rct rma rmc rmm rmo rmr rmt roa roc rom roo ror rot roz rra rrc rrm rrr rrt rta rtc rtm rto rtr rtt rtz rza rzm rzo taa tac tam tao tar tat taz tca tcc tcm tco tcr tct tma tmc tmm tmo tmr tmt tmz to- toa toc tom too tor tot toz tra trc trm tro trr trt trz tta ttc ttm tto ttr ttt tza zaa zac zam zao zar zat zaz zco zma zmc zmm zmt zo- zoa zoc zom zoo zor zot zro zta ztm ztr zzr zzt zzz