a-a a-c aaa aac aah aak aao aap aar aas ac- aca acc ach ack aco acp acr acs aha ahc ahh ahk aho ahp ahr ahs aka akc akh akk ako akp akr aks aoa aoc aoh aok aoo aop aor aos ap- apa apc aph apk apo app apr aps ar- ara arc arh ark aro arp arr ars as- asa asc ash ask aso asp asr ass c-- caa cac cah cak cao cap car cas cca ccc cch cck cco ccp ccr ccs ch- cha chc chh chk cho chp chr chs cka ckc ckh cko cks co- coa coc coh cok coo cop cor cos cpa cpc cph cpk cpo cpp cpr cps cra crc crh crk cro crp crr crs csa csc csh csk cso csp csr css haa hac hah hak hao hap har has hca hcc hch hck hco hcp hcr hcs hha hhc hhh hhk hho hhp hhr hhs hka hkh hkk hko hkp hkr hks hoa hoc hoh hok hoo hop hor hos hpa hpc hph hpk hpo hpp hpr hps hr- hra hrc hrh hrk hro hrp hrr hrs hsa hsc hsh hsk hsp hsr hss ka- kaa kac kah kak kao kap kar kas kca kcc kch kck kcp kcr kcs kha khh khk kho khr khs kkc kkh kkk kkp kkr kks koa koc koh kok koo kop kor kos kpa kpc kph kpk kpo kpp kpr kps kra krc krk kro krp krr krs ksa ksc ksh ksk kso ksp ksr kss oaa oac oah oak oao oap oar oas oc- oca occ och ock oco ocp ocr ocs oha ohc ohh oho ohp ohr ohs oka okc okk oko okp okr oks oo- ooa ooc ooh ook ooo oop oor oos op- opa opc oph opk opo opp opr ops or- ora orc orh ork oro orp orr ors os- osa osc osh osk oso osp osr oss p-p paa pac pah pak pao pap par pas pca pcc pch pck pco pcp pcr pcs pha phc phk pho php phr phs pka pkc pko pkp pkr pks poa poc poh pok poo pop por pos ppa ppc pph ppk ppo ppp ppr pps pra prc prh prk pro prp prr prs ps- psa psc psh psk pso psp psr pss ra- raa rac rah rak rao rap rar ras rca rcc rch rco rcp rcr rcs rh- rha rhc rhh rho rhp rhr rhs rkc rkk rko rkp rks roa roc roh rok roo rop ror ros rpa rpc rph rpk rpo rpp rpr rps rra rrc rrh rrk rrp rrr rrs rsa rsc rsh rsk rso rsp rsr rss saa sac sah sak sao sap sar sas sca scc sch sck sco scp scr scs sh- sha shc shh shk sho shp shr shs sk- ska skc skh skk sko skp skr sks soa soc soh sok soo sop sor sos spa spc sph spk spo spp spr sps sr- sra src srh srk sro srp srr srs ss- ssa ssc ssh ssk sso ssp ssr sss