a-a aaa aah aam aao aar aas aha ahh ahm aho ahr ahs ama amh amm amo amr ams aoa aoh aom aoo aor aos ar- ara arh arm aro arr ars as- asa ash asm aso asr ass haa hah ham hao har has hha hhh hhm hho hhr hhs hma hmh hmm hmo hmr hms hoa hoh hom hoo hor hos hr- hra hrh hrm hro hrr hrs hsa hsh hsm hsr hss m-o m-r maa mah mam mao mar mas mha mhh mhm mho mhr mhs mma mmh mmm mmo mmr mms moa moh mom moo mor mos mra mrh mrm mro mrr mrs msa msh msm mso msr mss oaa oah oam oao oar oas oha ohh ohm oho ohr ohs om- oma omh omm omo omr oms oo- ooa ooh oom ooo oor oos or- ora orh orm oro orr ors os- osa osh osm oso osr oss ra- raa rah ram rao rar ras rh- rha rhh rhm rho rhr rhs rma rmh rmm rmo rmr rms roa roh rom roo ror ros rra rrh rrm rrr rrs rsa rsh rsm rso rsr rss saa sah sam sao sar sas sh- sha shh shm sho shr shs sma smh smm smo smr sms soa soh som soo sor sos sr- sra srh srm sro srr srs ss- ssa ssh ssm sso ssr sss