a-a aaa aah aan aao aas aha ahh ahn aho ahs an- ana anh ann ano ans aoa aoh aon aoo aos as- asa ash asn aso ass haa hah han hao has hha hhh hhn hho hhs hna hnh hnn hno hns hoa hoh hon hoo hos hsa hsh hsn hss naa nah nan nao nas nha nhh nhn nhs nna nnh nnn nno nns no- noa noh non noo nos nsa nsh nsn nso nss oaa oah oan oao oas oha ohh ohn oho ohs on- ona onh onn ono ons oo- ooa ooh oon ooo oos os- osa osh osn oso oss saa sah san sao sas sh- sha shh shn sho shs sna snn sno sns soa soh son soo sos ss- ssa ssh ssn sso sss