eeee eefe eefl eele elee elef elem eler elfe elle ellu elme elml elue elul elum emel emer emeu emle emlm emme emml emmu emre emul erel erem erer erle erll erme erre erum erur euer eule eur- eure feel feem feer fefe feff fele felf fell felm feme femm fere ferm ferr feru ffee ffff ffrr flee flem fler flue fluf flum flur free frem frue frum fuel fuff fufu fule full fulu fume fur- fure furl furm furr le-u leef leel leem leer lefe leff lele lell lelu leme lemm lemu lere lerm leur lfmr llef lleu llll lmfm lmmr lrrr luef luer lufe luff lufu lule lull lulu lume lure meef meel meem meer mefe meff mel- mele melf mell meme meml memr memu mer- mere merf merl merm meru meum mlle mmff mmmm mmrf mree mrml muee muel muff mufu mule mull mulm mulu mume mumm mumu mure murl murr muru reef reel reem refe reff refl refr refu rele rell relm reme rere reru reue reuf reul reuu rfef rfem rffl rlee rlef rleu rlml rmll rrle rrrr rrum ruel ruer rufe ruff rule rull rume ruml rumm rure ruru uele uell ufel ufer uffe ulee ulfe ulle ullr ulme ulmu ulul ulum umer umff ure- urfe urff urle urre urum urur uulu uuuu