aaaa aaac aaaf aaap aaar aaca aacc aacf aaco aacp aacr aact aafa aafc aaff aaoo aapa aapc aapo aapt aara aarc aaro aarp aart aata aatc aatf aatt ac-t acaa acac acap acar acat acca accc accf acco accp acct acfc acft acoa acop acor acot acpa acpr acpt acr- acra acrc acro acrr acta actc actf acto actt afaa afao afap afar afat afca afcc affa affc affo afft afoa afoo afor afpa afpc afr- afra afrc afro afta aftc aftp aoca aopo aora aort aotc aotf apac apao apap apar apat apca apcc apco apcr apfa apfc apfo apft apo- apoc apof apoo apop apor apot appa appc appr appt apra aprc apro aprt apta aptc aptt arac araf arap arar arat arc- arca arco arct arfa arfc arff arft aroa aroo aror arpa arr- arra arrc arro arrr arrt arta artc arto artr at-t ataa atac atap atar atat atca atcc atcf atco atcr atfc atoc atof atop ator atot atpr atra atrc atro atrp atta atto attp attr caaa caac caaf caap caat cac- caca cacc caco cacr cafa cafc caff caor capa capc capo capp capt cara carc carf caro carp carr cart cat- cata catc catf cato catt ccaa ccac ccaf ccap ccar ccat ccca cccc cccf cccp ccfa ccfc ccff ccoc ccpa ccpp ccpr ccra ccrc ccrf ccrp ccrt cctc cctt cfaa cfac cfao cfar cfca cfcf cfco cffr cfoa cfor cfpa cfpo cfpr cfra cfrp cfrt cfta cftc cftr coat coca coco cocp coct cofc coff coft coof coop coot copa copo copp copr copt cor- cora corc corf coro corp corr cort cota cotc coto cott cpaa cpac cpaf cpap cpca cpff cpft cppa cprt cptp cptr crac craf crap crar crat crca crcc crcr crfc croc croo crop cror crot crpc crrt crtc crtf crtp ctca ctcf ctcp ctfc ctfo ctor ctot ctpo ctpp ctrc ctrp ctta faaa faac faap faca facc facp fact fafa fafc faff fafo fapa fapp fara farc faro farp farr fart fata fatc fatf fato fatt fcap fcar fcat fcca fccf fccp fcot fcpa fcra fcto ffar ffcc ffff ffrr fftf foaf foar foca foco fofo foof foot fopp for- fora foro forr fort fota foto fotp fott fp-c fpaa fpcc fpct fpra fprf frac frap frat frcc frcp frfc frop frot frta ft-c ftfc ftop oafc oafo oara ocac ocap ocat occa occc occt ocfa ocfp ocpa ocpp ocra ocro ocrr oct- octa octo ofcr off- offa offc offo offr ofor ofra ofta oftp ooaa oocr ooff oooo oora oort ootp opap opar opca opo- opor oppa oppo opra opto orac orao orar orat orca orco orff oro- orof oror orot orpc orra orro orta ortc orto otac otap otar otfc otfp oto- otof otoo otor otpp otra otro otta otto paap paar paat paca paco pact pafa pafc paff paoc papa papp papr par- para parc parf paro parp parr part pata pato patr patt pcaa pcaf pcap pcca pccc pcfc pcoa pcpp pcra pcrc pcrf pfaa pfff pffr pfft pfra poar poat poca poco poff poof poop poor poot pop- popa popc popo popp popt pora porc poro porr port pota potc potf poto pott ppac ppap ppar ppcc ppfa ppoa pppa pppo pppp pprc pprf ppta pptt prao prar prat prca prcc prcf prcp prfc pro- proa proc prof proo prop prot prtc prtp prtr ptaf ptca ptcc ptop ptrf pttc raaf raat rac- raca racc raco ract rafa rafc raff raft raoc raop rapa rapc rapp rapt rara rarf raro rata ratf rato ratp ratt rcac rcaf rccc rcfc rcpo rcpt rctc rffc rftc roaf roap roar roat roca rocc roco rofc roff rofo roof roop roor root ropa ropo rora rorc roro rort rota rotc roto rotr rott rpca rpfc rpof rpta rrat rrfc rrrr rtca rtcc rtfc rtpa rttp taa- taaf taar taat taca tacc taco tact tafa tafc taff tafo taft taoa taor tapa tapo tapp tapr tapt tara tarc tarf taro tarp tarr tart tata tato tatr tatt tcap tcca tccc tcfc tcpa tcpo tctc tfca tfot tfpt tftc tftp toat toca toco tofa toff tofo toft tooa toof toor toot top- topa topf topo topp topt tora torc torf toro torp torr tort tota totc toto totr tott tpac tpap tpcp tppa tppp tppr tptp tptr traa trac traf trao trap trat trca trcc trfc trfr troa troc troo trop trot trpa trpc trpp trra trtc trtr ttcp ttfa ttfc ttff ttop tttt