a-a a-z aaa aam aan aao aar aaz ama amm amn amo amr amz an- ana anm ann ano anr anz aoa aom aon aoo aor ar- ara arm arn aro arr arz az- aza azm azn azo azz m-o m-r maa mam man mao mar maz mma mmm mmn mmo mmr mmz mna mnm mnn mno mnr mnz moa mom mon moo mor moz mra mrm mrn mro mrr mrz mza mzm mzn naa nam nan nao nar naz nma nmm nmn nmo nmr nmz nna nnm nnn nno nnz no- noa nom non noo nor noz nra nrm nrn nro nrr nrz nzo nzz oaa oam oan oao oar om- oma omm omn omo omr omz on- ona onn ono onr oo- ooa oom oon ooo oor or- ora orm orn oro orr orz oza ozm ozo ozz ra- raa ram ran rao rar raz rma rmm rmn rmo rmr rna rnm rnn rno rnr rnz roa rom ron roo ror roz rra rrm rrn rrr rza rzm rzo zaa zam zan zao zar zaz zma zmm znn zno zo- zoa zom zon zoo zor zro zzr zzz