a-a a-c aaa aac aah aak aam aao aas ac- aca acc ach ack acm aco acs aha ahc ahh ahk ahm aho ahs aka akc akh akk akm ako aks ama amc amh amk amm amo ams aoa aoc aoh aok aom aoo aos as- asa asc ash ask asm aso ass c-- caa cac cah cak cam cao cas cca ccc cch cck ccm cco ccs ch- cha chc chh chk chm cho chs cka ckc ckh ckm cko cks cma cmc cmh cmk cmm cmo cms co- coa coc coh cok com coo cos csa csc csh csk csm cso css haa hac hah hak ham hao has hca hcc hch hck hcm hco hcs hha hhc hhh hhk hhm hho hhs hka hkh hkk hkm hko hks hma hmc hmh hmk hmm hmo hms hoa hoc hoh hok hom hoo hos hsa hsc hsh hsk hsm hss ka- kaa kac kah kak kam kao kas kca kcc kch kck kcm kcs kha khh khk khm kho khs kkc kkh kkk kkm kks kma kmc kmh kmk kmm kmo kms koa koc koh kok kom koo kos ksa ksc ksh ksk ksm kso kss m-o maa mac mah mak mam mao mas mc- mca mcc mch mck mcm mco mcs mha mhc mhh mhk mhm mho mhs mka mkc mkh mkk mkm mko mks mma mmc mmh mmk mmm mmo mms moa moc moh mok mom moo mos msa msc msh msk msm mso mss oaa oac oah oak oam oao oas oc- oca occ och ock ocm oco ocs oha ohc ohh ohm oho ohs oka okc okk oko oks om- oma omc omh omm omo oms oo- ooa ooc ooh ook oom ooo oos os- osa osc osh osk osm oso oss saa sac sah sak sam sao sas sca scc sch sck scm sco scs sh- sha shc shh shk shm sho shs sk- ska skc skh skk skm sko sks sma smc smh smk smm smo sms soa soc soh sok som soo sos ss- ssa ssc ssh ssk ssm sso sss