dddd dfrf dlrg dod- dodd dodg dodo doff dog- dogg dogo dogu dold dolf doll dolo dolu dood doof dool door dord dorf doro dorr doru doud douf doug doul dour drod drof drog drol drou drug druu dudd dudo dudu duff dufu dugu dull dulo dulu duo- durg duro duru duul duur fdlr ffff ffrr fldr flod flog floo flor flou flud fluf fluo flur fofo fogg fogl fogo fold foll folo folr food foof fool for- ford forg forl foro forr foud foug foul four frog frol frou frug fudd fuff fufu fugo fugu full fulu fuor fur- furg furl furo furr gdfr gdor gfdl gfor ggfg gggg glod glof glog glor glou glro glug glur godo goff gofr gofu gogo gold golf goll golo golu good goof goog gool goor gord gorf gorg goro gorr gou- goud gouf goug goul gour grod grof grog grol groo gror grou grrl grrr gruf grug grur gudo gudu guff gugg gugu guld gulf gull gulo gulu gurd gurg gurl guro gurr guru lfrd lgfl llll llod lloo llud loff log- logo lold loll lolo lood loof lool loor lord loro loud loul lour louu lrdd lrdg lrrr ludd ludo luff lufu lugg lugo lugu lull lulu lurd lurg oddd odoo odor odou odrl odur ofdr off- offo offr offu ofgo ofor ogdl ogfr ogod ogog ogou ogro olgr ollo olof olog olor olur ooff oold oolo oooo oord ordo ordu orff orfu orgo orlo orlu oro- orof oror orro ouff ould oulu our- ouro ouu- rffl rlug rodd rodo roff rofl rofo rogg rogo rold rolf roll rolo rood roof roog rool roor roro roru roud rouf roul rrrr rudd rudl rudo ruff rufo rugg rull rulo rurd ruro ruru ruud udoo uggo ugod ugol ugro ugur uguu ullo ullr ulo- ulog ulul uofg uofl uofo uor- urdu urff urgu uro- urol uroo urur uulu uuuu