a-a aaa aag aah aao aas ag- aga agg agh ago ags aha ahg ahh aho ahs aoa aog aoh aoo aos as- asa asg ash aso ass gaa gag gah gao gas gga ggg ggh ggo ggs gha ghg ghh gho ghs goa gog goh goo gos gsa gsg gso gss haa hag hah hao has hga hgg hgh hgo hgs hha hhg hhh hho hhs hoa hog hoh hoo hos hsa hsg hsh hss oaa oag oah oao oas oga ogg ogh ogo ogs oha ohg ohh oho ohs oo- ooa oog ooh ooo oos os- osa osg osh oso oss saa sag sah sao sas sga sgg sgh sgo sgs sh- sha shg shh sho shs soa sog soh soo sos ss- ssa ssg ssh sso sss