-vac aaaa aaac aaap aaar aaav aaca aacc aaco aacp aacr aact aacv aaoo aapa aapc aapo aapt aara aarc aaro aarp aart aata aatc aatt aava ac-t acaa acac acap acar acat acca accc acco accp acct acoa acop acor acot acpa acpr acpt acr- acra acrc acro acrr acrv acta actc acto actt actv acvv aoca aopo aora aort aotc apac apao apap apar apat apca apcc apco apcr apo- apoc apoo apop apor apot appa appc appr appt apra aprc apro aprt apta aptc aptt aptv arac arap arar arat arc- arca arco arct aroa aroo aror arpa arr- arra arrc arro arrr arrt arta artc arto artr artv arva arvo at-t ataa atac atap atar atat atca atcc atco atcr atoc atop ator atot atpr atra atrc atro atrp atta atto attp attr avao avar avat avcc avco avor avot avra avro avva avvo caaa caac caap caat cac- caca cacc caco cacr caor capa capc capo capp capt cara carc caro carp carr cart cat- cata catc cato catt catv cava cavo ccaa ccac ccap ccar ccat ccca cccc cccp cccv ccoc ccpa ccpp ccpr ccra ccrc ccrp ccrt cctc cctt cctv ccvo coat coca coco cocp coct coop coot copa copo copp copr copt cor- cora corc coro corp corr cort cota cotc coto cott cova covo cpaa cpac cpap cpca cppa cprt cptp cptr cpvc cpvt crac crap crar crat crca crcc crcr croc croo crop cror crot crpc crrt crtc crtp crtv ctca ctcp ctor ctot ctpo ctpp ctrc ctrp ctta ctvo ctvt cvac cvar cvca cvcc cvra cvrr oara ocac ocap ocat occa occc occt ocpa ocpp ocra ocro ocrr oct- octa octo ooaa oocr oooo oora oort ootp opap opar opca opo- opor oppa oppo opra opto orac orao orar orat orav orca orco oro- oror orot orpc orra orro orta ortc orto orvr otac otap otar oto- otoo otor otov otpp otra otro otta otto ovar ovo- ovoo ovot ovpp ovra paap paar paat paca paco pact paoc papa papp papr par- para parc paro parp parr part parv pata pato patr patt pava pavo pcaa pcap pcca pccc pcoa pcpp pcra pcrc pctv poar poat poca poco poop poor poot pop- popa popc popo popp popt pora porc poro porr port pota potc poto pott povo ppac ppap ppar ppcc ppoa pppa pppo pppp pprc ppta pptt pptv prao prar prat prca prcc prcp pro- proa proc proo prop prot prov prtc prtp prtr ptca ptcc ptop pttc pvco pvpa raat rac- raca racc raco ract racv raoc raop rapa rapc rapp rapt rara raro rata rato ratp ratt rava rcac rccc rcpo rcpt rctc rctv rcvr roap roar roat roca rocc roco roop roor root ropa ropo rora rorc roro rort rota rotc roto rotr rott rova rovo rpca rpta rrat rrrr rtca rtcc rtpa rttp rtva rv-c rvca taa- taar taat taca tacc taco tact tacv taoa taor tapa tapo tapp tapr tapt tara tarc taro tarp tarr tart tata tato tatr tatt tatv tava tavo tcap tcca tccc tcov tcpa tcpo tctc toat toca toco tooa toor toot top- topa topo topp topt topv tora torc toro torp torr tort torv tota totc toto totr tott tova tovo tpac tpap tpcp tppa tppp tppr tptp tptr traa trac trao trap trat trav trca trcc troa troc troo trop trot trpa trpc trpp trpv trra trtc trtr ttcp ttop tttt tvac tvpa tvro tvrr tvtv vaar vaat vaca vaco vapa vara varp varr vart vata vato vatt vava vcat voar voat voca vooc voor voot vopt vor- vora voro vort vota voto votp vpat vpro vrac vrap vrav vroc vrot vrto vtac vtap vtpr vvvv