a-a aaa aam aao aar aas aav ama amm amo amr ams amv aoa aom aoo aor aos aov ar- ara arm aro arr ars arv as- asa asm aso asr ass asv av- ava avm avo avr avs m-o m-r m-v maa mam mao mar mas mav mma mmm mmo mmr mms mmv moa mom moo mor mos mov mra mrm mro mrr mrs mrv msa msm mso msr mss msv mva mvm mvo mvr mvs mvv oaa oam oao oar oas oav om- oma omm omo omr oms omv oo- ooa oom ooo oor oos oov or- ora orm oro orr ors orv os- osa osm oso osr oss osv ov- ova ovo ovs ovv ra- raa ram rao rar ras rav rma rmm rmo rmr rms rmv roa rom roo ror ros rov rra rrm rrr rrs rsa rsm rso rsr rss rsv rva rvm rvo rvr rvs rvv saa sam sao sar sas sav sma smm smo smr sms smv soa som soo sor sos sov sr- sra srm sro srr srs srv ss- ssa ssm sso ssr sss ssv sva svm svo svr svs svv v-a vaa vam vao var vas vav vm- vma vmm vmo vmr voa vom voo vor vos vov vra vrm vrr vrs vsa vsm vso vsr vss vsv vva vvm vvo vvr vvs vvv