a-a a-c aaa aac aah aak aao aap aas ac- aca acc ach ack aco acp acs aha ahc ahh ahk aho ahp ahs aka akc akh akk ako akp aks aoa aoc aoh aok aoo aop aos ap- apa apc aph apk apo app aps as- asa asc ash ask aso asp ass c-- caa cac cah cak cao cap cas cca ccc cch cck cco ccp ccs ch- cha chc chh chk cho chp chs cka ckc ckh cko cks co- coa coc coh cok coo cop cos cpa cpc cph cpk cpo cpp cps csa csc csh csk cso csp css haa hac hah hak hao hap has hca hcc hch hck hco hcp hcs hha hhc hhh hhk hho hhp hhs hka hkh hkk hko hkp hks hoa hoc hoh hok hoo hop hos hpa hpc hph hpk hpo hpp hps hsa hsc hsh hsk hsp hss ka- kaa kac kah kak kao kap kas kca kcc kch kck kcp kcs kha khh khk kho khs kkc kkh kkk kkp kks koa koc koh kok koo kop kos kpa kpc kph kpk kpo kpp kps ksa ksc ksh ksk kso ksp kss oaa oac oah oak oao oap oas oc- oca occ och ock oco ocp ocs oha ohc ohh oho ohp ohs oka okc okk oko okp oks oo- ooa ooc ooh ook ooo oop oos op- opa opc oph opk opo opp ops os- osa osc osh osk oso osp oss p-p paa pac pah pak pao pap pas pca pcc pch pck pco pcp pcs pha phc phk pho php phs pka pkc pko pkp pks poa poc poh pok poo pop pos ppa ppc pph ppk ppo ppp pps ps- psa psc psh psk pso psp pss saa sac sah sak sao sap sas sca scc sch sck sco scp scs sh- sha shc shh shk sho shp shs sk- ska skc skh skk sko skp sks soa soc soh sok soo sop sos spa spc sph spk spo spp sps ss- ssa ssc ssh ssk sso ssp sss