a-a a-c aaa aac aam aao aas aav ac- aca acc acm aco acs acv ama amc amm amo ams amv aoa aoc aom aoo aos aov as- asa asc asm aso ass asv av- ava avc avm avo avs c-- caa cac cam cao cas cav cca ccc ccm cco ccs ccv cma cmc cmm cmo cms cmv co- coa coc com coo cos cov csa csc csm cso css csv cva cvc cvm cvo cvs cvv m-o m-v maa mac mam mao mas mav mc- mca mcc mcm mco mcs mcv mma mmc mmm mmo mms mmv moa moc mom moo mos mov msa msc msm mso mss msv mva mvc mvm mvo mvs mvv oaa oac oam oao oas oav oc- oca occ ocm oco ocs ocv om- oma omc omm omo oms omv oo- ooa ooc oom ooo oos oov os- osa osc osm oso oss osv ov- ova ovc ovo ovs ovv saa sac sam sao sas sav sca scc scm sco scs scv sma smc smm smo sms smv soa soc som soo sos sov ss- ssa ssc ssm sso sss ssv sva svc svm svo svs svv v-a vaa vac vam vao vas vav vca vcc vcm vco vcs vm- vma vmc vmm vmo voa voc vom voo vos vov vsa vsc vsm vso vss vsv vva vvc vvm vvo vvs vvv