a-a a-b aaa aab aam aar aas aav ab- aba abb abm abr abs abv ama amb amm amr ams amv ar- ara arb arm arr ars arv as- asa asb asm asr ass asv av- ava avb avm avr avs baa bab bam bar bas bav bba bbb bbm bbr bbs bma bmb bmm bmr bms bmv bra brb brm brr brs brv bsa bsb bsm bsr bss bsv bva bvb bvm bvr bvs bvv m-r m-v maa mab mam mar mas mav mba mbb mbm mbr mbs mbv mma mmb mmm mmr mms mmv mra mrb mrm mrr mrs mrv msa msb msm msr mss msv mva mvb mvm mvr mvs mvv ra- raa rab ram rar ras rav rba rbb rbm rbr rbs rma rmb rmm rmr rms rmv rra rrb rrm rrr rrs rsa rsb rsm rsr rss rsv rva rvb rvm rvr rvs rvv saa sab sam sar sas sav sba sbb sbm sbr sbs sbv sma smb smm smr sms smv sr- sra srb srm srr srs srv ss- ssa ssb ssm ssr sss ssv sva svb svm svr svs svv v-a vaa vab vam var vas vav vba vbm vbr vbs vbv vm- vma vmm vmr vra vrb vrm vrr vrs vsa vsb vsm vsr vss vsv vva vvb vvm vvr vvs vvv