a-a a-z aaa aam aao aar aav aaz ama amm amo amr amv amz aoa aom aoo aor aov ar- ara arm aro arr arv arz av- ava avm avo avr avz az- aza azm azo azz m-o m-r m-v maa mam mao mar mav maz mma mmm mmo mmr mmv mmz moa mom moo mor mov moz mra mrm mro mrr mrv mrz mva mvm mvo mvr mvv mvz mza mzm oaa oam oao oar oav om- oma omm omo omr omv omz oo- ooa oom ooo oor oov or- ora orm oro orr orv orz ov- ova ovo ovv oza ozm ozo ozz ra- raa ram rao rar rav raz rma rmm rmo rmr rmv roa rom roo ror rov roz rra rrm rrr rva rvm rvo rvr rvv rza rzm rzo v-a vaa vam vao var vav vaz vm- vma vmm vmo vmr vmz voa vom voo vor vov voz vra vrm vrr vva vvm vvo vvr vvv vvz zaa zam zao zar zav zaz zma zmm zo- zoa zom zoo zor zro zzr zzz