-vac aaaa aaac aaap aaar aaav aaca aacc aacp aacr aact aacv aapa aapc aapt aara aarc aarp aart aata aatc aatt aava ac-t acaa acac acap acar acat acca accc accp acct acpa acpr acpt acr- acra acrc acrr acrv acta actc actt actv acvv apac apap apar apat apca apcc apcr appa appc appr appt apra aprc aprt apta aptc aptt aptv arac arap arar arat arc- arca arct arpa arr- arra arrc arrr arrt arta artc artr artv arva at-t ataa atac atap atar atat atca atcc atcr atpr atra atrc atrp atta attp attr avar avat avcc avra avva caaa caac caap caat cac- caca cacc cacr capa capc capp capt cara carc carp carr cart cat- cata catc catt catv cava ccaa ccac ccap ccar ccat ccca cccc cccp cccv ccpa ccpp ccpr ccra ccrc ccrp ccrt cctc cctt cctv cpaa cpac cpap cpca cppa cprt cptp cptr cpvc cpvt crac crap crar crat crca crcc crcr crpc crrt crtc crtp crtv ctca ctcp ctpp ctrc ctrp ctta ctvt cvac cvar cvca cvcc cvra cvrr paap paar paat paca pact papa papp papr par- para parc parp parr part parv pata patr patt pava pcaa pcap pcca pccc pcpp pcra pcrc pctv ppac ppap ppar ppcc pppa pppp pprc ppta pptt pptv prar prat prca prcc prcp prtc prtp prtr ptca ptcc pttc pvpa raat rac- raca racc ract racv rapa rapc rapp rapt rara rata ratp ratt rava rcac rccc rcpt rctc rctv rcvr rpca rpta rrat rrrr rtca rtcc rtpa rttp rtva rv-c rvca taa- taar taat taca tacc tact tacv tapa tapp tapr tapt tara tarc tarp tarr tart tata tatr tatt tatv tava tcap tcca tccc tcpa tctc tpac tpap tpcp tppa tppp tppr tptp tptr traa trac trap trat trav trca trcc trpa trpc trpp trpv trra trtc trtr ttcp tttt tvac tvpa tvrr tvtv vaar vaat vaca vapa vara varp varr vart vata vatt vava vcat vpat vrac vrap vrav vtac vtap vtpr vvvv