a-a a-z aaa aam aan aao aaz ama amm amn amo amz an- ana anm ann ano anz aoa aom aon aoo az- aza azm azn azo azz m-o maa mam man mao maz mma mmm mmn mmo mmz mna mnm mnn mno mnz moa mom mon moo moz mza mzm mzn naa nam nan nao naz nma nmm nmn nmo nmz nna nnm nnn nno nnz no- noa nom non noo noz nzo nzz oaa oam oan oao om- oma omm omn omo omz on- ona onn ono oo- ooa oom oon ooo oza ozm ozo ozz zaa zam zan zao zaz zma zmm znn zno zo- zoa zom zon zoo zzz