-ing dddd didi didu digg digi diii diiv din- ding dini dinn dinu dird dirr divd divi drin drug drui druu druv drvn dudd dudu dugu duid duin duir dung dunn durg duri durn duru duur dvdr dvi- dvii dvin dvir gggg ggrn gidd gidi gigg gigi gign ging gini ginn ginu gird girg giri girn girr giru giur gnin gnrr grid grig grin grni grrr grug grui grun grur gudi gudu gugg gugi gugu guid guin gund gung gunn gurd gurg guri gurn gurr guru gvvv idid idig idin idir idun idvd igni ignu igri iiii ind- indi indu inid inig inni innr innu inri inui inun iri- irid irig irin irri irun iuiu ivdr ivig ivin n-ii ndri ngri ngur nguu nidd nidi nigg niir niiu nind ning nini niru nirv niur nivr nngn nnnn nrrd nudd nudi nuin nung nunn nurd nuri nurn nurr nuru nurv nvir ridd ridi rigg rigi rigu riin rind ring rinn riri rnin rrrr rrun rudd rudi rugg rugi ruid ruin rund rung runi runn rurd ruri ruru ruud ruun ruvi ruvu uddi udid udig udin udir udun ugni ugri ugur uguu uirr undi ungu uni- unii unin unir univ unni urdu urgi urgu urin uriu urni urri urun urur uuni uuri uuuu uvgi uvid uvrd uvri uvvu vidi vigr viii vind ving vini vinu virg viri virr viru vivi vnir vrdi vrin vrnn vudi vudu vugg vuir vurg vvvv