-ing dddd didi didu digg digi diii din- ding dini dinn dint dinu dird dirr dirt diti ditt dntt dnut drin drit drug drui drut druu dtng dudd dudu dugu duid duin duir duit dung dunn dunt durg duri durn durt duru duur duut gdrt gggg ggrn gidd gidi gigg gigi gign ging gini ginn ginu gird girg giri girn girr girt giru giur gnin gnit gnrr gnti grid grig grin grit grni grrr grug grui grun grur grut gudi gudu gugg gugi gugu guid guin gund gung gunn gunt gurd gurg guri gurn gurr gurt guru guti gutt gutu idid idig idin idir idun igni ignu igri iiii iiit iitr iitt ind- indi indu inid inig init inni innr innu inri intd intg inti intn intr intu inui inun iri- irid irig irin irri irti irun itin itri itur iuiu n-ii ndnt ndri ndut ngri ngtn ngur nguu nidd nidi nigg nigt niir niit niiu nind ning nini nirt niru niti nitr niur nngn nnit nnnn nntn nrrd ntnd ntnu ntru nttr ntui nudd nudi nuin nuit nung nunn nunt nurd nuri nurn nurr nurt nuru nutt nutu rgit rgtr ridd ridi rigg rigi rigu riin rind ring rinn riri riti ritt ritu rnin rnnt rntd rnut rrrr rrun rtdt rtnd rudd rudi rugg rugi ruid ruin ruit rund rung runi runn runt rurd ruri ruru ruti rutt rutu ruud ruun tdri tidd tigi tigr tiit tiiu tind ting tini tinn tint tinu tird tiri tirr tiru titi titt titu tndd tnut tri- trig trin trit trng trtr trud trug trun trut truu tttt tudi tudu tugg tugu tuig tuin tuit tuiu tund tung tuni tunn tunu turd turg turi turn turr turt turu tuti tutt tutu uddi udid udig udin udir udun uggt ugni ugri ugur uguu uint uirr undi ungu uni- unii unin unir unit unni unut urdu urgi urgu urin uriu urni urri urun urur urut utid utin utri utti uttu utug uuni uuri uuuu