a-a a-c aaa aac aak aam aao aas aav ac- aca acc ack acm aco acs acv aka akc akk akm ako aks akv ama amc amk amm amo ams amv aoa aoc aok aom aoo aos aov as- asa asc ask asm aso ass asv av- ava avc avk avm avo avs c-- caa cac cak cam cao cas cav cca ccc cck ccm cco ccs ccv cka ckc ckm cko cks cma cmc cmk cmm cmo cms cmv co- coa coc cok com coo cos cov csa csc csk csm cso css csv cva cvc cvk cvm cvo cvs cvv ka- kaa kac kak kam kao kas kav kca kcc kck kcm kcs kkc kkk kkm kks kkv kma kmc kmk kmm kmo kms koa koc kok kom koo kos ksa ksc ksk ksm kso kss ksv kva kvk kvm kvo kvs kvv m-o m-v maa mac mak mam mao mas mav mc- mca mcc mck mcm mco mcs mcv mka mkc mkk mkm mko mks mkv mma mmc mmk mmm mmo mms mmv moa moc mok mom moo mos mov msa msc msk msm mso mss msv mva mvc mvm mvo mvs mvv oaa oac oak oam oao oas oav oc- oca occ ock ocm oco ocs ocv oka okc okk oko oks om- oma omc omm omo oms omv oo- ooa ooc ook oom ooo oos oov os- osa osc osk osm oso oss osv ov- ova ovc ovo ovs ovv saa sac sak sam sao sas sav sca scc sck scm sco scs scv sk- ska skc skk skm sko sks sma smc smk smm smo sms smv soa soc sok som soo sos sov ss- ssa ssc ssk ssm sso sss ssv sva svc svk svm svo svs svv v-a vaa vac vak vam vao vas vav vca vcc vcm vco vcs vka vkm vm- vma vmc vmm vmo voa voc vok vom voo vos vov vsa vsc vsk vsm vso vss vsv vva vvc vvm vvo vvs vvv