a-a a-c a-z aaa aac aam aao aar aav aaz ac- aca acc acm aco acr acv acz ama amc amm amo amr amv amz aoa aoc aom aoo aor aov ar- ara arc arm aro arr arv arz av- ava avc avm avo avr avz az- aza azm azo azz c-- caa cac cam cao car cav caz cca ccc ccm cco ccr ccv ccz cma cmc cmm cmo cmr cmv co- coa coc com coo cor cov coz cra crc crm cro crr crv crz cva cvc cvm cvo cvr cvv cvz cz- czc czm czo m-o m-r m-v maa mac mam mao mar mav maz mc- mca mcc mcm mco mcr mcv mcz mma mmc mmm mmo mmr mmv mmz moa moc mom moo mor mov moz mra mrc mrm mro mrr mrv mrz mva mvc mvm mvo mvr mvv mvz mza mzm oaa oac oam oao oar oav oc- oca occ ocm oco ocr ocv ocz om- oma omc omm omo omr omv omz oo- ooa ooc oom ooo oor oov or- ora orc orm oro orr orv orz ov- ova ovc ovo ovv oza ozm ozo ozz ra- raa rac ram rao rar rav raz rca rcc rcm rco rcr rcv rma rmc rmm rmo rmr rmv roa roc rom roo ror rov roz rra rrc rrm rrr rva rvc rvm rvo rvr rvv rza rzm rzo v-a vaa vac vam vao var vav vaz vca vcc vcm vco vcr vm- vma vmc vmm vmo vmr vmz voa voc vom voo vor vov voz vra vrc vrm vrr vva vvc vvm vvo vvr vvv vvz zaa zac zam zao zar zav zaz zco zma zmc zmm zo- zoa zoc zom zoo zor zro zzr zzz