-vac aaaa aaac aaap aaar aaav aaca aacc aacp aacr aacv aapa aapc aara aarc aarp aava acaa acac acap acar acca accc accp acpa acpr acr- acra acrc acrr acrv acvv apac apap apar apca apcc apcr appa appc appr apra aprc arac arap arar arc- arca arpa arr- arra arrc arrr arva avar avcc avra avva caaa caac caap cac- caca cacc cacr capa capc capp cara carc carp carr cava ccaa ccac ccap ccar ccca cccc cccp cccv ccpa ccpp ccpr ccra ccrc ccrp cpaa cpac cpap cpca cppa cpvc crac crap crar crca crcc crcr crpc cvac cvar cvca cvcc cvra cvrr paap paar paca papa papp papr par- para parc parp parr parv pava pcaa pcap pcca pccc pcpp pcra pcrc ppac ppap ppar ppcc pppa pppp pprc prar prca prcc prcp pvpa rac- raca racc racv rapa rapc rapp rara rava rcac rccc rcvr rpca rrrr rv-c rvca vaar vaca vapa vara varp varr vava vrac vrap vrav vvvv