a-a a-z aaa aad aam aao aaz ad- ada add adm ado adz ama amd amm amo amz aoa aod aom aoo az- aza azd azm azo azz daa dad dam dao daz dda ddd ddm ddo ddz dma dmd dmm dmo dmz doa dod dom doo doz dza dzd dzo m-o maa mad mam mao maz mda mdd mdm mdo mdz mma mmd mmm mmo mmz moa mod mom moo moz mza mzm oaa oad oam oao oda odd odm odo om- oma omd omm omo omz oo- ooa ood oom ooo oza ozm ozo ozz zaa zad zam zao zaz zdm zma zmd zmm zo- zoa zod zom zoo zzz