eeee eefe eefl eele eely eero eery efeo effy efly efor elee elef eleo eler eley elfe elle ello ellu elly eloy elro elue elul eole eolo eore eorl erel erer erle erll eroe erol eroo erre erro erur erye euer eule eur- eure euro eury eyer eyey eyle eyre eyry eyyr feel feer fefe feff fefo fele felf fell felo feof fere fero ferr feru fery feyr ffee ffff ffrr flee fler fley floe floo flor flou floy flue fluf fluo flur fluy flye foer fofo fole foll folo folr foly foof fool for- fore forl foro forr foul four foyl free freo frey froe frol frou frue frye fuel fuff fufu fule full fulu fuor fur- fure furl furo furr fury fuyl fuyu fyeo fyfe fyle fyre fyry le-u leef leel leer lefe leff lele lell lelo lelu lely leof leor leou lere lero lery leur leye leyf leyr llef lleu llll lloo llyr loeu lofe loff lole loll lolo loly looe loof lool loor lore loro lory loue loul lour louu loye lrrr lrry luef luer lufe luff lufu lule lull lulu lure lury lyef lyer lyfe lyff lyfy lyle lyly lyo- lyoe lyre lyro lyyf o-eo oele oere oeuf oeye oeyo ofer off- offe offo offr offu offy ofor ofre ole- olef oleo oler oley olfe olle ollo olly olof olor olry olur olyf ooer ooff oofy oolo oooo oore oory ore- orel oreo orer orey orfe orff orfu orle orlo orlu orly oro- oroe orof oror oroy orro orry ouer oufe ouff oule oulu our- oure ouro ouu- ouyr oyee oyer oyeu oyly oyou oyre reef reel refe reff refl refr refu rele rell relo rely reof reol reou rere rero reru rery reue reuf reul reuu reye rfef rffl rlee rlef rleu roel roer roey rofe roff rofl rofo role rolf roll rolo roly roof rool roor rore roro roru rory roue rouf roul rouy roye royl rrle rrrr ruel ruer rufe ruff rufo rule rull rulo ruly ruoy rure ruro ruru ruyl ryel ryfe ryff ryle ryue ryyf uele uell ufel ufer uffe ulee uleo uley ulfe ulle ullo ullr ully ulo- ulul ulye uofl uofo uor- uore ure- urey urfe urff urle uro- urol uroo urre urry urur uulu uuuu uyle uyre ye-u yeel yeer yefe yeff yele yelf yell yelo yelu yeof yere yerl yero yerr yery yeue yeye yeyo yeyr yfel ylle yoff yole yoll yolo yoly yoof yool yore yoro yory youe youf youl your yoye yoyo yrle yrly yrof yuel yuer yuff yufu yule yulo yulu yure yury yuye yuyu yyfe yyff yyyy