dddd ddss dgsn dnus drgs drrs drug drus druu dsdr dsgn dsng dsrr dssn dudd duds dudu dugs dugu dung dunn duns durg durn duru duur gggg ggrn ggss gnrr gnus grds grrr grrs grss grug grun grur grus gsds gsur gudu gugg gugu gund gung gunn guns gurd gurg gurn gurr gurs guru gusd guss guus ndss ngns ngsn ngur nguu nngn nnnn nnss nrds nrrd nsdg nsds nsnr nsrd nssr nsss nudd nugs nung nunn nuns nurd nurn nurr nurs nuru nuss nusu rdgs rgds rnds rngs rrrr rrun rsdd rsdg rsds rsnn rsnr rudd ruds rugg rugs rund rung runn runs rurd rurs ruru russ rusu ruud ruun sdds sdgs sdrs sdss sdsu sggg sggs sgsd sgss snns snrs snsd snug snur snus srnn srsd ssdd ssgs ssns ssrg ssrs ssss sudd suds sug- sugg sun- sund sung sunn suns sunu sur- surd surg surn surr surs suru sus- susd suss susu suus udds udsd udun uggs ugur uguu unds ungu unns unrs uns- unsg unus urds urdu urgu urns urss ursu urun urur urus usds usnr usnu ussr usss ussu usun usus uuuu