ofcr ofdr ofer off- offa offc offe offo offr ofor ofra ofre ofta ooaa oocr ooda ooer ooff oooo oora oord oore oort orac orad orae orao orar orat orav orca orce orco orda orde ordo ore- orea orec ored oreo orer orfe orff oro- oroe orof oror orot orra orro orta ortc orte orto orve orvr otac otar otcd otea oted otee oter otfc oto- otoe otof otoo otor otov otra otre otro otta otte otto ovar ovda ovde ovee over ovet ovo- ovod ovoo ovot ovra ovre raad raaf raat rac- raca racc race raco ract racv rada radc radd rade rado radr radt raec raed raef raer rafa rafc rafe raff raft raoc rara rare rarf raro rata rate ratf rato ratt rava rave rcac rcaf rccc rcdc rcde rcet rcfc rcrd rctc rctv rcvr rdac rder rdev rdfa rdoc rea- reac read reae reaf reao rear reat reca recc recd rece recr rect reda redc redd rede redo redr reed reef reet reev refd refe reff refr reft reod reof reot rera rerd rere rero rert reta retd rete reto retr rett reva revd reve revo rfae rfef rffc rftc road roaf roar roat roca rocc roce roco roda rodd rode rodo roea roed roer roet roev rofc rofe roff rofo rood roof roor root rora rorc rore roro rort rota rotc rote roto rotr rott rova rove rovo rrad rrat rred rrfc rrrr rtca rtcc rtce rtdt rtee rtfc rtva rtve rv-c rvca rved rver taa- taaf taar taat taca tacc tace taco tact tacv tada tade tado taec taer tafa tafc tafe taff tafo taft taoa taor tara tarc tard tare tarf taro tarr tart tata tate tato tatr tatt tatv tava tave tavo tcad tcca tccc tcdd tcfc tcov tctc tdac tdff tdor tdra tdtv teac tead tear teat teca teco tecr tect teda tedd tede teec teed teef teer teet teev tefc teff teft teor ter- tera terc tere terf tero terr teta tete teto tetr tett teva tfae tfca tfdc tfec tfot tftc toad toat toca toce toco toda todd tode todo todt toea toed toee toer toet tofa toff tofo toft tooa tood toof toor toot tora torc tord tore torf toro torr tort torv tota totc totd tote toto totr tott tova tove tovo traa trac trad trae traf trao trat trav trca trcc tre- trea trec tred tree tref treo tret trev trfc trfd trfr troa troc trod troe troo trot trra trtc trte trtr tteo tter ttfa ttfc ttff ttoe tttt tvac tvad tver tvro tvrr tvtv vaad vaar vaat vaca vace vaco vada vade vado vafa vara vard vare varf varr vart vata vate vato vatt vava vcat vdcc vdec vder vdot vdre vear veat vecc veda vedc vede vedo veer veet vefa veor ver- vera verd vere vero vert veta vete veto vetr veve vevo vfat vfcc vfor voad voar voat voca voce voda vode vodo voer voet voff vofr vooc voor voot vor- vora vord vore voro vort vota votd vote voto vrac vrav vred vref vreo vret vroc vrot vrto vtac vtec vver vvvv