a-a a-c aaa aac aah aam aao aar aas ac- aca acc ach acm aco acr acs aha ahc ahh ahm aho ahr ahs ama amc amh amm amo amr ams aoa aoc aoh aom aoo aor aos ar- ara arc arh arm aro arr ars as- asa asc ash asm aso asr ass c-- caa cac cah cam cao car cas cca ccc cch ccm cco ccr ccs ch- cha chc chh chm cho chr chs cma cmc cmh cmm cmo cmr cms co- coa coc coh com coo cor cos cra crc crh crm cro crr crs csa csc csh csm cso csr css haa hac hah ham hao har has hca hcc hch hcm hco hcr hcs hha hhc hhh hhm hho hhr hhs hma hmc hmh hmm hmo hmr hms hoa hoc hoh hom hoo hor hos hr- hra hrc hrh hrm hro hrr hrs hsa hsc hsh hsm hsr hss m-o m-r maa mac mah mam mao mar mas mc- mca mcc mch mcm mco mcr mcs mha mhc mhh mhm mho mhr mhs mma mmc mmh mmm mmo mmr mms moa moc moh mom moo mor mos mra mrc mrh mrm mro mrr mrs msa msc msh msm mso msr mss oaa oac oah oam oao oar oas oc- oca occ och ocm oco ocr ocs oha ohc ohh ohm oho ohr ohs om- oma omc omh omm omo omr oms oo- ooa ooc ooh oom ooo oor oos or- ora orc orh orm oro orr ors os- osa osc osh osm oso osr oss ra- raa rac rah ram rao rar ras rca rcc rch rcm rco rcr rcs rh- rha rhc rhh rhm rho rhr rhs rma rmc rmh rmm rmo rmr rms roa roc roh rom roo ror ros rra rrc rrh rrm rrr rrs rsa rsc rsh rsm rso rsr rss saa sac sah sam sao sar sas sca scc sch scm sco scr scs sh- sha shc shh shm sho shr shs sma smc smh smm smo smr sms soa soc soh som soo sor sos sr- sra src srh srm sro srr srs ss- ssa ssc ssh ssm sso ssr sss