-hou ffff ffrr flom floo flor flou fluf flum fluo flur fofo fohr foll folo folr fomo foof fool foom for- forl form foro forr foul four froh frol from frou frum fuff fufu full fulu fumo fuor fur- furl furm furo furr hhhh hhof hlul hmmm hoff hofu hohl hohm hoho hol- holh holl holm holo holu hom- homo homr homu hoof hool hoom hoor horl horo horr houf hour huff hufu huhu hull hulu humf humh humm humo huor hurl huro hurr huru lfmr lhhh lhor llll lloo lmfm lmmr loff loho lohr lohu loll lolo lomm lomo lomu loof lool loom loor loro louh loul loum lour louu lrrr luff lufu luhu lull lulu lumo luoh mfor mfou mhmm mhmr mhor mmff mmhl mmhm mmmh mmmm mmor mmrf moff mofo mofu mohl mohm moho mohr mohu moll molo molr momo momu mool moor morf morl moro moru mouf moul mour mrml muff mufu muhr muhu mull mulm mulo mulu mumm mumo mumu murl muro murr muru off- offh offo offr offu ofml ofor ohho ohoh ohum olhm ollo olmo olof olom olor olur omo- omoo omor omro omul omuo ooff ooho oolo oooh oooo orff orfu orlo orlu ormo oro- orof orom oror orro orum ouff oulu our- ouro ouu- rffl rhoh rhum rlml rmll roff rofl rofo rohl rohm rohr rohu rolf roll rolm rolo romm romo roof rool room roor roro roru rouf rouh roul roum rrrr rrum ruff rufo ruhh ruhl ruhm ruhr rull rulo ruml rumm rumo ruro ruru uhoh uhuh ullo ullr ulmo ulmu ulo- ulul ulum umff ummo umol umor uofl uofm uofo uoml uomo uor- urff urho uro- urol urom uroo urrh urum urur uulu uuuu