a-a a-t a-z aaa aam aao aap aas aat aaz ama amm amo amp ams amt amz aoa aom aoo aop aos aot ap- apa apm apo app aps apt as- asa asm aso asp ass ast asz at- ata atm ato atp ats att atz az- aza azm azo azp azs azt azz m-o maa mam mao map mas mat maz mma mmm mmo mmp mms mmt mmz moa mom moo mop mos mot moz mpa mpm mpo mpp mps mpt msa msm mso msp mss mst mta mtm mto mtp mts mtt mza mzm mzp mzt oaa oam oao oap oas oat om- oma omm omo omp oms omt omz oo- ooa oom ooo oop oos oot op- opa opm opo opp ops opt os- osa osm oso osp oss ost ot- ota otm oto otp ots ott otz oza ozm ozo ozs ozt ozz p-p paa pam pao pap pas pat paz pma pmm pmo pmp pms pmt pmz poa pom poo pop pos pot poz ppa ppm ppo ppp pps ppt ppz ps- psa psm pso psp pss pst pt- pta ptm pto ptp pts ptt ptz pzm pzp pzt saa sam sao sap sas sat saz sma smm smo smp sms smt smz soa som soo sop sos sot soz spa spm spo spp sps spt spz ss- ssa ssm sso ssp sss sst ssz sta stm sto stp sts stt stz sza szp taa tam tao tap tas tat taz tma tmm tmo tmp tms tmt tmz to- toa tom too top tos tot toz tpa tpm tpo tpp tps tpt tpz tsa tsm tso tsp tss tst tta ttm tto ttp tts ttt tza tzs zaa zam zao zap zas zat zaz zma zmm zmp zms zmt zo- zoa zom zoo zos zot zpm zpo zpp zpt zsa zsm zst zsz zta ztm zzs zzt zzz