a-a a-t a-z aaa aam aao aar aas aat aaz ama amm amo amr ams amt amz aoa aom aoo aor aos aot ar- ara arm aro arr ars art arz as- asa asm aso asr ass ast asz at- ata atm ato atr ats att atz az- aza azm azo azs azt azz m-o m-r maa mam mao mar mas mat maz mma mmm mmo mmr mms mmt mmz moa mom moo mor mos mot moz mra mrm mro mrr mrs mrt mrz msa msm mso msr mss mst mta mtm mto mtr mts mtt mza mzm mzt oaa oam oao oar oas oat om- oma omm omo omr oms omt omz oo- ooa oom ooo oor oos oot or- ora orm oro orr ors ort orz os- osa osm oso osr oss ost ot- ota otm oto otr ots ott otz oza ozm ozo ozs ozt ozz ra- raa ram rao rar ras rat raz rma rmm rmo rmr rms rmt roa rom roo ror ros rot roz rra rrm rrr rrs rrt rsa rsm rso rsr rss rst rta rtm rto rtr rts rtt rtz rza rzm rzo saa sam sao sar sas sat saz sma smm smo smr sms smt smz soa som soo sor sos sot soz sr- sra srm sro srr srs srt ss- ssa ssm sso ssr sss sst ssz sta stm sto str sts stt stz sza szr taa tam tao tar tas tat taz tma tmm tmo tmr tms tmt tmz to- toa tom too tor tos tot toz tra trm tro trr trs trt trz tsa tsm tso tsr tss tst tta ttm tto ttr tts ttt tza tzs zaa zam zao zar zas zat zaz zma zmm zms zmt zo- zoa zom zoo zor zos zot zro zrs zsa zsm zst zsz zta ztm ztr zzr zzs zzt zzz