a-a a-t a-z aaa aam aao aat aay aaz ama amm amo amt amy amz aoa aom aoo aot at- ata atm ato att atz ay- aya ayo ayt ayz az- aza azm azo azt azy azz m-o maa mam mao mat may maz mma mmm mmo mmt mmz moa mom moo mot moy moz mta mtm mto mtt my- mya mym myo myt mza mzm mzt oaa oam oao oat om- oma omm omo omt omy omz oo- ooa oom ooo oot ot- ota otm oto ott otz oya oyo oza ozm ozo ozt ozz taa tam tao tat tay taz tma tmm tmo tmt tmy tmz to- toa tom too tot toy toz tta ttm tto ttt tty tya tym tyo tyt tza yaa yam yao yat yay yaz yma ymm ymo ymt yom yoo yot yoy yta ytm yto ytt yyt yyy yyz yzy zaa zam zao zat zay zaz zma zmm zmt zo- zoa zom zoo zot zta ztm zym zzt zzy zzz