-vac aaaa aaac aaap aaar aaav aaca aacc aaco aacp aacr aacv aaoo aapa aapc aapo aara aarc aaro aarp aava acaa acac acap acar acca accc acco accp acoa acop acor acpa acpr acr- acra acrc acro acrr acrv acvv aoca aopo aora apac apao apap apar apca apcc apco apcr apo- apoc apoo apop apor appa appc appr apra aprc apro arac arap arar arc- arca arco aroa aroo aror arpa arr- arra arrc arro arrr arva arvo avao avar avcc avco avor avra avro avva avvo caaa caac caap cac- caca cacc caco cacr caor capa capc capo capp cara carc caro carp carr cava cavo ccaa ccac ccap ccar ccca cccc cccp cccv ccoc ccpa ccpp ccpr ccra ccrc ccrp ccvo coca coco cocp coop copa copo copp copr cor- cora corc coro corp corr cova covo cpaa cpac cpap cpca cppa cpvc crac crap crar crca crcc crcr croc croo crop cror crpc cvac cvar cvca cvcc cvra cvrr oara ocac ocap occa occc ocpa ocpp ocra ocro ocrr ooaa oocr oooo oora opap opar opca opo- opor oppa oppo opra orac orao orar orav orca orco oro- oror orpc orra orro orvr ovar ovo- ovoo ovpp ovra paap paar paca paco paoc papa papp papr par- para parc paro parp parr parv pava pavo pcaa pcap pcca pccc pcoa pcpp pcra pcrc poar poca poco poop poor pop- popa popc popo popp pora porc poro porr povo ppac ppap ppar ppcc ppoa pppa pppo pppp pprc prao prar prca prcc prcp pro- proa proc proo prop prov pvco pvpa rac- raca racc raco racv raoc raop rapa rapc rapp rara raro rava rcac rccc rcpo rcvr roap roar roca rocc roco roop roor ropa ropo rora rorc roro rova rovo rpca rrrr rv-c rvca vaar vaca vaco vapa vara varp varr vava voar voca vooc voor vor- vora voro vpro vrac vrap vrav vroc vvvv