a-a aaa aah aak aao aas aha ahh ahk aho ahs aka akh akk ako aks aoa aoh aok aoo aos as- asa ash ask aso ass haa hah hak hao has hha hhh hhk hho hhs hka hkh hkk hko hks hoa hoh hok hoo hos hsa hsh hsk hss ka- kaa kah kak kao kas kha khh khk kho khs kkh kkk kks koa koh kok koo kos ksa ksh ksk kso kss oaa oah oak oao oas oha ohh oho ohs oka okk oko oks oo- ooa ooh ook ooo oos os- osa osh osk oso oss saa sah sak sao sas sh- sha shh shk sho shs sk- ska skh skk sko sks soa soh sok soo sos ss- ssa ssh ssk sso sss