a-a a-c a-z aaa aac aah aak aao aap aar aaz ac- aca acc ach ack aco acp acr acz aha ahc ahh ahk aho ahp ahr ahz 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 arz az- aza azo azp azz c-- caa cac cah cak cao cap car caz cca ccc cch cck cco ccp ccr ccz ch- cha chc chh chk cho chp chr chz cka ckc ckh cko co- coa coc coh cok coo cop cor coz cpa cpc cph cpk cpo cpp cpr cpz cra crc crh crk cro crp crr crz cz- czc czk czo haa hac hah hak hao hap har haz hca hcc hch hck hco hcp hcr hha hhc hhh hhk hho hhp hhr hhz 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 hrz hzo hzp k-z ka- kaa kac kah kak kao kap kar kaz kca kcc kch kck kcp kcr kha khh khk kho khr khz kkc kkh kkk kkp kkr koa koc koh kok koo kop kor koz kpa kpc kph kpk kpo kpp kpr kra krc krk kro krp krr kzo oaa oac oah oak oao oap oar oc- oca occ och ock oco ocp ocr ocz 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 orz oza ozo ozz p-p paa pac pah pak pao pap par paz 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 poz ppa ppc pph ppk ppo ppp ppr ppz pra prc prh prk pro prp prr prz pzc pzk pzp ra- raa rac rah rak rao rap rar raz rca rcc rch rco rcp rcr rh- rha rhc rhh rho rhp rhr rkc rkk rko rkp rkz roa roc roh rok roo rop ror roz rpa rpc rph rpk rpo rpp rpr rpz rra rrc rrh rrk rrp rrr rza rzo zaa zac zah zak zao zap zar zaz zco zha zhc zho zhr zka zo- zoa zoc zok zoo zor zpc zpo zpp zpr zrh zro zrp zzr zzz