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aaaa aaac aaae aaaf aaap aaar aaca aacc aace aacf aaco aacp aacr aaea aaec aaep aafa aafc aaff aaoe aaoo aapa aapc aapo aara aarc aare aaro aarp acaa acac acae acap acar acca accc acce accf acco accp ace- acea acec acer acfc acfe acoa acoe acop acor acpa acpe acpr acr- acra acrc acre acro acrr aeac aeaf aeap aeer aer- aera aerc aero afaa afao afap afar afca afcc afee afer affa affc affo afoa afoe afoo afor afpa afpc afpe afr- afra afrc afre afro aoca aoce aopo aora apac apao apap apar apca apcc apco apcr apea apec apep aper apfa apfc apfo apo- apoc apoe apof apoo apop apor appa appc appr apra aprc apre apro arac arae araf arap arar arc- arca arce arco area arec aree aref areo arep arfa arfc arff aroa aroe aroo aror arpa arpe arr- arra arrc arre arro arrr caaa caac caaf caap cac- caca cacc cace caco cacr caec caer cafa cafc cafe caff caor capa capc cape capo capp cara carc care carf caro carp carr ccaa ccac ccaf ccap ccar ccca cccc cccf cccp ccee ccfa ccfc ccff ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccrp ceac cear cec- ceca cece ceco cecp ceec cef- cefa cefc ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cerf cero cerp cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfoa cfor cfpa cfpo cfpr cfra cfre cfrp coca coce coco cocp coep cofc cofe coff coof coop copa cope copo copp copr cor- cora corc core corf coro corp corr cpaa cpac cpaf cpap cpca cpce cpea cpep cper cpff cppa cpre crac craf crap crar crca crcc crce crcr cre- crea crec cree creo crep crfc croc croe croo crop cror crpc eaaf eaca eacc eaec eaop eapc eapp eara eare earo earp ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr eco- ecop ecpa ecpp ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eeoc eera eerc eero efca efco efeo effa efor efpa eora eore epaa epac epcc epec epee eper epfa epfc epoc epor eppa eppc eppo eppp epra epro eprp eraf erap erca ercc erce ercp erec erer erfc eroc eroe eroo erpa erpe erra errc erre erro faaa faac faap faca facc face facp fafa fafc fafe faff fafo fapa fape fapp fara farc fare faro farp farr fcap fcar fcca fccf fccp fcpa fcra feaf feap fear fece feer fefc fefe feff fefo feof fepa fepc fera ferc fere fero ferr ffar ffcc ffee ffff ffrr foaf foar foca foce foco foer fofo foof fopp for- fora fore foro forr fp-c fpaa fpcc fpra fprf frac frae frap frcc frcp frea free freo frep frfc froe frop o-eo oaer oafc oafo oara oare ocac ocap occa occc oce ocee ocef ocfa ocfp ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere ofcr ofer off- offa offc offe offo offr ofor ofra ofre ooaa oocr ooer ooff oooo oora oore opap opar opca opec opep oper opo- opor oppa oppo opra orac orae orao orar orca orce orco ore- orea orec oreo orer orfe orff oro- oroe orof oror orpc orpe orra orro paap paar paca pace paco paea paec paep paer pafa pafc pafe paff paoc papa pape papp papr par- para parc pare parf paro parp parr pcaa pcae pcaf pcap pcca pccc pcce pcea pcep pcer pcfc pcoa pcoe pcpp pcra pcrc pcre pcrf peac peap pear peca pece peco pecr peec peep peer pefc peff peor pepa pepe pepo per- pera perc pere perf pero perp perr pfaa pfce pfff pffr pfra poar poca poce poco poea poer poff poof poop poor pop- popa popc pope popo popp pora porc pore poro porr