-ose eeee eees eefe eero eers eese eesi efeo efes effi effs efor efsi eiei eier eies eifs eire eirs eise eiso eiss eoes eoir eois eore eori erei erer eres erfs erie erio eris eroe eroi eroo eros erre erro errs erse ersi erso esee eseo eser eses esfs esie esis eso- esos esri esse essi esso feer fees fefe feff fefi fefo feie feio feir feis feof fere fero ferr fers fese fess ffee ffff ffii ffrr ffss fief fier fies fife fiff fifi fifo fiii fioe fior fios fire firs fise fisi fiss foer foes fofo foie fois foof foos for- fore fori foro forr fors fosi foso foss free frei freo fres frie frio fris froe fros frso fsfi fsfo fssf ieie ieio iere ieri iers iesi ieso iesr ifer ifes ifis ifor ifrf ifri ifso iies iiie iiii iiio iiis iioi iioo iios iirs iisi iisr ioee ioii ioio ioof iooi iooo ioos iore iori iors ioso iree irer ires irfe iri- irie irio iris irre irri irrs irse irsf isee iseo iser ises isie isis iso- isof isor isos isri isse issf issi isso issr isss o-eo oere oers oese ofer off- offe offo offr offs ofor ofre oier oies oiii oios oire oise ooer ooes ooff oofs oooo ooos oore oose oosi ore- oreo orer ores orfe orff orfi orfs ori- orie orif orio oris oro- oroe orof oror oros orri orro orrs orse orsi orso osee osei oser oses osie osii osis osoi osoo osor osos osro osse ossi osso reef rees refe reff refi refr refs reif reii reir reis reof reos rere reri rero rers rese resi reso ress rfef rief rier ries rife riff rifs riif riis rios rire riri rirs rise risi riso riss roer roes rofe roff rofo roif roio roir rois roof rooi roor roos rore rori roro rose rosi roso ross rrif rrrr rsee rsis rsos rsre s-ii s-os se-e se-f se-i se-o se-s seef seer sees seff sefi seie seif seii seir seis seoi sere serf seri sero serr sers sese sesi seso sess sfer sfio sfor sfos sfro sfss sief sier sies sife siff sifo sifr sioe sior sios sire sirf siri siro sirr sirs sise sisi siss soeo soes sofi sofo soie soif soir sois soof soor soos sore sori soro sorr sors sose sosi soso soss sreo sres srfi sris sros ssee sses ssis ssri ssrs sssf sssi ssss