a-a a-b aaa aab aam aao aar aas aav aay ab- aba abb abm abo abr abs abv aby ama amb amm amo amr ams amv amy aoa aob aom aoo aor aos aov ar- ara arb arm aro arr ars arv ary as- asa asb asm aso asr ass asv asy av- ava avb avm avo avr avs avy ay- aya ayo ayr ays baa bab bam bao bar bas bav bay bba bbb bbm bbo bbr bbs bby bma bmb bmm bmo bmr bms bmv boa bob bom boo bor bos bov boy bra brb brm bro brr brs brv bry bsa bsb bsm bso bsr bss bsv bsy bva bvb bvm bvo bvr bvs bvv by- bya bym byo byr bys m-o m-r m-v maa mab mam mao mar mas mav may mba mbb mbm mbo mbr mbs mbv mma mmb mmm mmo mmr mms mmv moa mob mom moo mor mos mov moy mra mrb mrm mro mrr mrs mrv mry msa msb msm mso msr mss msv msy mva mvb mvm mvo mvr mvs mvv mvy my- mya myb mym myo myr mys myv oaa oab oam oao oar oas oav ob- oba obb obm obo obr obs obv oby om- oma omb omm omo omr oms omv omy oo- ooa oob oom ooo oor oos oov or- ora orb orm oro orr ors orv ory os- osa osb osm oso osr oss osv ov- ova ovb ovo ovs ovv oya oyo oys ra- raa rab ram rao rar ras rav ray rba rbb rbm rbo rbr rbs rma rmb rmm rmo rmr rms rmv roa rob rom roo ror ros rov roy rra rrb rrm rrr rrs rsa rsb rsm rso rsr rss rsv rva rvb rvm rvo rvr rvs rvv rvy ry- rya rym ryo ryr rys ryy saa sab sam sao sar sas sav say sba sbb sbm sbo sbr sbs sbv sby sma smb smm smo smr sms smv smy soa sob som soo sor sos sov soy sr- sra srb srm sro srr srs srv sry ss- ssa ssb ssm sso ssr sss ssv sva svb svm svo svr svs svv svy sy- sya syb sym syr sys v-a vaa vab vam vao var vas vav vay vba vbm vbo vbr vbs vbv vm- vma vmm vmo vmr voa vob vom voo vor vos vov voy vra vrb vrm vrr vrs vry vsa vsb vsm vso vsr vss vsv vva vvb vvm vvo vvr vvs vvv vym yaa yab yam yao yar yas yav yay ybm ybr ybs yby yma ymm ymo yms yob yom yoo yor yos yoy yra yro yrs ysa ysb ysm yso ysr yss ysy yva yvo yvr yvy yyb yys yyy