a-a a-c aaa aac aah aak aao aap aar ac- aca acc ach ack aco acp acr aha ahc ahh ahk aho ahp ahr aka akc akh akk ako akp akr aoa aoc aoh aok aoo aop aor ap- apa apc aph apk apo app apr ar- ara arc arh ark aro arp arr c-- caa cac cah cak cao cap car cca ccc cch cck cco ccp ccr ch- cha chc chh chk cho chp chr cka ckc ckh cko co- coa coc coh cok coo cop cor cpa cpc cph cpk cpo cpp cpr cra crc crh crk cro crp crr haa hac hah hak hao hap har hca hcc hch hck hco hcp hcr hha hhc hhh hhk hho hhp hhr hka hkh hkk hko hkp hkr hoa hoc hoh hok hoo hop hor hpa hpc hph hpk hpo hpp hpr hr- hra hrc hrh hrk hro hrp hrr ka- kaa kac kah kak kao kap kar kca kcc kch kck kcp kcr kha khh khk kho khr kkc kkh kkk kkp kkr koa koc koh kok koo kop kor kpa kpc kph kpk kpo kpp kpr kra krc krk kro krp krr oaa oac oah oak oao oap oar oc- oca occ och ock oco ocp ocr oha ohc ohh oho ohp ohr oka okc okk oko okp okr oo- ooa ooc ooh ook ooo oop oor op- opa opc oph opk opo opp opr or- ora orc orh ork oro orp orr p-p paa pac pah pak pao pap par pca pcc pch pck pco pcp pcr pha phc phk pho php phr pka pkc pko pkp pkr poa poc poh pok poo pop por ppa ppc pph ppk ppo ppp ppr pra prc prh prk pro prp prr ra- raa rac rah rak rao rap rar rca rcc rch rco rcp rcr rh- rha rhc rhh rho rhp rhr rkc rkk rko rkp roa roc roh rok roo rop ror rpa rpc rph rpk rpo rpp rpr rra rrc rrh rrk rrp rrr