a-a a-c aaa aac aam aao aar aav ac- aca acc acm aco acr acv ama amc amm amo amr amv aoa aoc aom aoo aor aov ar- ara arc arm aro arr arv av- ava avc avm avo avr c-- caa cac cam cao car cav cca ccc ccm cco ccr ccv cma cmc cmm cmo cmr cmv co- coa coc com coo cor cov cra crc crm cro crr crv cva cvc cvm cvo cvr cvv m-o m-r m-v maa mac mam mao mar mav mc- mca mcc mcm mco mcr mcv mma mmc mmm mmo mmr mmv moa moc mom moo mor mov mra mrc mrm mro mrr mrv mva mvc mvm mvo mvr mvv oaa oac oam oao oar oav oc- oca occ ocm oco ocr ocv om- oma omc omm omo omr omv oo- ooa ooc oom ooo oor oov or- ora orc orm oro orr orv ov- ova ovc ovo ovv ra- raa rac ram rao rar rav rca rcc rcm rco rcr rcv rma rmc rmm rmo rmr rmv roa roc rom roo ror rov rra rrc rrm rrr rva rvc rvm rvo rvr rvv v-a vaa vac vam vao var vav vca vcc vcm vco vcr vm- vma vmc vmm vmo vmr voa voc vom voo vor vov vra vrc vrm vrr vva vvc vvm vvo vvr vvv