dddd dedd dede dedo dedu deed deef deel defe deff defo deld dele delf dell delo deol deue deul dfoe dod- dodd dode dodo doel doff dold dole dolf doll dolo dolu dood doof dool doud doue douf doul dudd dude dudo dudu duel duff dufu dule dull dulo dulu duo- duul edde eddo ede- edel edfl edfu edle edod edou eede eedu eeee eefe eefl eele efeo elde eled elee elef eleo elfe elle ello ellu elod elue elul eode eole eolo eude eule fede feed feel fefe feff fefo feld fele felf fell felo feod feof feud ffee ffff fled flee flod floe floo flou flud flue fluf fluo fode foed fofo fold fole foll folo food foof fool foud foul fudd fude fuel fuff fufu fule full fulu ldeo le-u lede ledo leed leef leel lefe leff lele lell lelo lelu leod leof leou leud llef lleu llll llod lloo llud lode loeu lofe loff lold lole loll lolo lood looe loof lool loud loue loul louu ludd lude ludo lued luef lufe luff lufu lule lull lulu o-eo oddd oded odel odeo odle odoo odou oedo oele oeuf off- offe offo offu olde ole- oled olef oleo olfe olle ollo olof ooff oold oolo oooo oude oued oufe ouff ould oule oulu ouu- udel udoo uele uell ufel uffe ulde ulee uleo ulfe ulle ullo ulo- ulul uofl uofo uulu uuuu