eeee eefe eero efeo effi efor eiei eier eipo eipr eire eoir eore eori epee eper epi- epie epip epor eppo eppp epro eprp erei erer erew erie erio eroe eroi eroo erpe erre erro ewer ewew ewip ewre feer fefe feff fefi fefo feie feio feir feof fere fero ferr fewe ffee ffff ffii ffrr fief fier fife fiff fifi fifo fiii fioe fior fipp fire foer fofo foie foof fopp for- fore fori foro forr fowe fprf free frei freo frep frew frie frio frip froe frop frow fwiw ieie ieio iere ieri ifer ifor ifpo ifrf ifri ifwe iiie iiii iiio iioi iioo iiop iipf iiwi ioee ioii ioio ioof iooi iooo iore iori iowe iper ipie ipoe ipop ippf ippo ippr ipri iree irer irfe iri- irie irio irip irop irpe irre irri iwie iwiw iwpr o-eo oere ofer off- offe offo offr ofor ofre oier oiii oire ooer ooff oooo oore opei opep oper opie opii opio opo- opor oppi oppo ore- oreo orer orfe orff orfi ori- orie orif orio oro- oroe orof oror orpe orpi orri orro orwe orwo ower owfe owie owir owoe owow owpe owre peep peer peff peio peip peir peor pepe pepi pepo per- pere perf peri pero perp perr pewe pfff pffr piep pier piff piip pipe pipi pipo pipp pire piri piro pirr piwi poer poff pofi poio poof poop poor pop- pope popi popo popp pore pori poro porr powe powp powr pper ppie ppif pppo pppp pprf pre- pree pref prep prew pri- prie prif prii pro- proe prof proo prop prow prri pwei reef reep refe reff refi refr reif reii reir reof reop repe repi repo repp repr rere reri rero rewe rfef rief riep rier riew rife riff riif ripe ripi ripp ripr rire riri riwo roer rofe roff rofo roif roio roir roof rooi roop roor rope ropo rore rori roro rowe rowf rowi rowp rowr roww rpii rpoe rpof rrif rrrr weef weei weeo weep weer wefe weff wefi wefr weie weif weii weio weir weop weow wepe wepp wepr wer- were werf weri wero werp werr werw wewe wewo wfer wfff wfie wfif wfir wfiw wfor wfpf wfre wfrf wfro wfrp wfrw wfwi wfwo wief wier wife wiff wifi wifo wifr wiif wiii wioe wioi wioo wiop wipe wipi wipo wipp wipr wire wiri wiro wirr wiwf wiwi woer wofe woff wofr woio woir woof woop woow wopi wopp wore worf wori woro worp worr worw wowe wowf wowi wowo wowp woww wpei wpeo wpep wper wpff wpfo wpfp wpfr wpfw wpie wpio wpip wpir wpoi wpop wpor wpow wppi wppr wpre wprf wpro wprp wprr wree wrei wrer wrew wrfe wrff wrfi wrfw wrie wrif wrip wroi wroo wrop wrow wrpi wrpp wrpr wrpw wrre wrro wrrw wrwr wwei wweo wwer wwfe wwfp wwfr wwfw wwii wwio wwip wwof wwor wwow wwpr wwpw wwre wwrf wwrr wwrw wwwe wwwi wwwr wwww