a-a a-c a-z aaa aac aak aap aar aaz ac- aca acc ack acp acr acz aka akc akk akp akr ap- apa apc apk app apr ar- ara arc ark arp arr arz az- aza azp azz c-- caa cac cak cap car caz cca ccc cck ccp ccr ccz cka ckc cpa cpc cpk cpp cpr cpz cra crc crk crp crr crz cz- czc czk k-z ka- kaa kac kak kap kar kaz kca kcc kck kcp kcr kkc kkk kkp kkr kpa kpc kpk kpp kpr kra krc krk krp krr p-p paa pac pak pap par paz pca pcc pck pcp pcr pka pkc pkp pkr ppa ppc ppk ppp ppr ppz pra prc prk prp prr prz pzc pzk pzp ra- raa rac rak rap rar raz rca rcc rcp rcr rkc rkk rkp rkz rpa rpc rpk rpp rpr rpz rra rrc rrk rrp rrr rza zaa zac zak zap zar zaz zka zpc zpp zpr zrp zzr zzz