-vac aaaa aaac aaap aaar aaav aaca aacc aacp aacr aacu aacv aapa aapc aara aarc aarp aaru aaup aava acaa acac acap acar acca accc accp accu acpa acpr acpu acr- acra acrc acrr acrv acu- acup acur acvv apac apap apar apca apcc apcr appa appc appr appu apra aprc apua apuc apup arac arap arar arau arc- arca arpa arpu arr- arra arrc arrr arru arua arup arva auaa auca aucp aupc aur- aura avar avcc avpu avra avur avva caaa caac caap cac- caca cacc cacr capa capc capp capu cara carc carp carr cauc caup cava cavu ccaa ccac ccap ccar ccca cccc cccp cccu cccv ccpa ccpp ccpr ccra ccrc ccrp ccuc ccup cpaa cpac cpap cpca cpcu cppa cpvc crac crap crar crau crca crcc crcr crpc crup cuau cuca cucc cupp cupr cura curr cvac cvar cvca cvcc cvra cvrr paap paar paca pacu papa papp papr par- para parc parp parr paru parv paua paup paur pava pcaa pcap pcca pccc pcpp pcra pcrc ppac ppap ppar ppcc pppa pppp pprc ppru ppur prar prau prca prcc prcp pruu puar puca pupa pupu pur- pura purp purr puru puuc pvpa rac- raca racc racu racv rapa rapc rapp rara raua rauc raup rava rcac rccc rcuv rcvr rpca rrrr ruca rupa rupp rura rurc rurp ruru ruvu rv-c rvca u-rp uaca uarc uaru uaua ucar ucav ucca uccp ucpa ucrc ucua upac upar upca uppa uppc uppp uppu upra upup upvc urac urap urau urca urra urup urur urva uucp uuuu uv-a uv-c uvaa uvac uvvu vaar vaca vapa vara varp varr varu vava vrac vrap vrav vuca vurp vvvv