dddd didi dido didu digg digi digo diii dior diou dird dirr dod- dodd dodg dodi dodo dog- dogg dogi dogo dogu doid doig dood door dord dori doro dorr doru doud doug dour drod drog drou drug drui druu dudd dudo dudu dugu duid duir duo- durg duri duro duru duur gdor gggg gidd gidi gido gigg gigi gigo giog gioi gird girg giri giro girr giru giur godi godo gogi gogo good goog gooi goor gord gorg gori goro gorr gou- goud goug gour grid grig grod grog groi groo gror grou grrr grug grui grur gudi gudo gudu gugg gugi gugu guid gurd gurg guri guro gurr guru i-go iddo idgo idid idig idio idir idog idro iduo igoo igor igri iiii iiio iioi iioo iod- iodd iodo ioii ioio iooi iooo iorg iori ioug irdo iri- irid irig irio irod irri iuiu oddd oddi odio odir odiu odoo odor odou odur oggi ogod ogog ogoi ogou ogri ogro ogui oido oigo oiii oodi ooid oooo oord ordo ordu orgo ori- orid orig orio oro- oror orri orro ouii ouir our- ouro ouu- rdio ridd ridi rido rigg rigi rigo rigu riou riri rodd rodi rodo rogg rogi rogo roid roig roio roir roiu rood roog rooi roor rori roro roru roud rrrr rudd rudi rudo rugg rugi ruid rurd ruri ruro ruru ruud uddi udid udig udir udoo uggo ugod ugri ugro ugur uguu uirr uor- urdu urgi urgu uriu uro- uroo urri urur uuri uuuu