aaaa aaac aaap aaar aaca aacc aaco aacp aacr aacu aaoo aapa aapc aapo aara aarc aaro aarp aaru aaup acaa acac acap acar acca accc acco accp accu acoa acop acor acou acpa acpr acpu acr- acra acrc acro acrr acu- acuo acup acur aoca aopo aora apac apao apap apar apca apcc apco apcr apo- apoc apoo apop apor apou appa appc appr appu apra aprc apro apua apuc apup arac arap arar arau arc- arca arco aroa aroo aror arpa arpu arr- arra arrc arro arrr arru arua arup auaa auca aucp aupc aur- aura auro caaa caac caap cac- caca cacc caco cacr caor capa capc capo capp capu cara carc caro carp carr cauc cauo caup ccaa ccac ccap ccar ccca cccc cccp cccu ccoc ccpa ccpp ccpr ccra ccrc ccrp ccuc ccup coca coco cocp cocu coop copa copo copp copr cor- cora corc coro corp corr coua coup cour cpaa cpac cpap cpca cpcu cppa crac crap crar crau crca crcc crcr croc croo crop cror crpc crup cuau cuca cucc cupo cupp cupr cura curo curr oaau oara ocac ocap occa occc ocpa ocpp ocra ocro ocrr ocur ooaa oocr oooo oora opap opar opca opo- opor oppa oppo opra opua orac orao orar orca orco oro- oror orpc orra orro orup ouac oucc oupa our- oura ouro ouu- paap paar paca paco pacu paoc papa papp papr par- para parc paro parp parr paru paua paup paur pcaa pcap pcca pccc pcoa pcpp pcra pcrc poar poca poco poop poor pop- popa popc popo popp pora porc poro porr poup pour ppac ppap ppar ppcc ppoa pppa pppo pppp pprc ppru ppur prao prar prau prca prcc prcp pro- proa proc proo prop prou pruu puao puar puca pupa pupu pur- pura puro purp purr puru puuc rac- raca racc raco racu raoc raop rapa rapc rapp rara raro raua rauc raup rcac rccc rcpo roap roar roca rocc roco roop roor ropa ropo rora rorc roro roru roua roup rpca rrrr ruca rupa rupp rura rurc ruro rurp ruru u-rp uaca uaoc uarc uaru uaua ucar ucca uccp ucpa ucrc ucua uocc uor- upac upar upca upor uppa uppc uppp uppu upra upup urac urao urap urau urca uro- uroa uroo urpo urra urup urur uucp uuoc uuuu