gggg ggrn ggss gnrr gnus grrr grrs grss grug grun grur grus gsur gugg gugu gung gunn guns gurg gurn gurr gurs guru guss guus ngns ngsn ngur nguu nngn nnnn nnss nsnr nssr nsss nugs nung nunn nuns nurn nurr nurs nuru nuss nusu rngs rrrr rrun rsnn rsnr rugg rugs rung runn runs rurs ruru russ rusu ruun sggg sggs sgss snns snrs snug snur snus srnn ssgs ssns ssrg ssrs ssss sug- sugg sun- sung sunn suns sunu sur- surg surn surr surs suru sus- suss susu suus uggs ugur uguu ungu unns unrs uns- unsg unus urgu urns urss ursu urun urur urus usnr usnu ussr usss ussu usun usus uuuu