a-a a-b aaa aab aak aam aao aar aas aav aay ab- aba abb abk abm abo abr abs abv aby aka akb akk akm ako akr aks akv ama amb amk amm amo amr ams amv amy aoa aob aok aom aoo aor aos aov ar- ara arb ark arm aro arr ars arv ary as- asa asb ask asm aso asr ass asv asy av- ava avb avk avm avo avr avs avy ay- aya ayk ayo ayr ays baa bab bak bam bao bar bas bav bay bba bbb bbk bbm bbo bbr bbs bby bka bkb bkk bkm bko bkr bks bkv bma bmb bmk bmm bmo bmr bms bmv boa bob bok bom boo bor bos bov boy bra brb brk brm bro brr brs brv bry bsa bsb bsk bsm bso bsr bss bsv bsy bva bvb bvk bvm bvo bvr bvs bvv by- bya byk bym byo byr bys ka- kaa kab kak kam kao kar kas kav kay kba kbb kbk kbm kbo kbr kbs kkb kkk kkm kkr kks kkv kky kma kmb kmk kmm kmo kms koa kob kok kom koo kor kos koy kra krk kro krr krs krv kry ksa ksb ksk ksm kso ksr kss ksv kva kvb kvk kvm kvo kvr kvs kvv kya kym kyo kyr kys m-o m-r m-v maa mab mak mam mao mar mas mav may mba mbb mbk mbm mbo mbr mbs mbv mka mkb mkk mkm mko mkr mks mkv mky mma mmb mmk mmm mmo mmr mms mmv moa mob mok mom moo mor mos mov moy mra mrb mrk mrm mro mrr mrs mrv mry msa msb msk msm mso msr mss msv msy mva mvb mvm mvo mvr mvs mvv mvy my- mya myb myk mym myo myr mys myv oaa oab oak oam oao oar oas oav ob- oba obb obk obm obo obr obs obv oby oka okb okk oko okr oks om- oma omb omm omo omr oms omv omy oo- ooa oob ook oom ooo oor oos oov or- ora orb ork orm oro orr ors orv ory os- osa osb osk osm oso osr oss osv ov- ova ovb ovo ovs ovv oya oyo oys ra- raa rab rak ram rao rar ras rav ray rba rbb rbk rbm rbo rbr rbs rkb rkk rkm rko rks rkv rky rma rmb rmm rmo rmr rms rmv roa rob rok rom roo ror ros rov roy rra rrb rrk rrm rrr rrs rsa rsb rsk rsm rso rsr rss rsv rva rvb rvm rvo rvr rvs rvv rvy ry- rya ryk rym ryo ryr rys ryy saa sab sak sam sao sar sas sav say sba sbb sbk sbm sbo sbr sbs sbv sby sk- ska skb skk skm sko skr sks sky sma smb smk smm smo smr sms smv smy soa sob sok som soo sor sos sov soy sr- sra srb srk srm sro srr srs srv sry ss- ssa ssb ssk ssm sso ssr sss ssv sva svb svk svm svo svr svs svv svy sy- sya syb syk sym syr sys v-a vaa vab vak vam vao var vas vav vay vba vbk vbm vbo vbr vbs vbv vka vkb vkm vm- vma vmm vmo vmr voa vob vok vom voo vor vos vov voy vra vrb vrk vrm vrr vrs vry vsa vsb vsk vsm vso vsr vss vsv vva vvb vvm vvo vvr vvs vvv vym yaa yab yak yam yao yar yas yav yay ybm ybr ybs yby yka ykk ykm yma ymm ymo yms yob yok yom yoo yor yos yoy yra yro yrs ysa ysb ysk ysm yso ysr yss ysy yva yvo yvr yvy yyb yys yyy