-ing dddd didi didu digg digi diii dili dill din- ding dini dinn dint dinu dird dirl dirr dirt diti ditt dlii dlil dlit dlrg dntt dnut dril drin drit drug drui drut druu dtng dtrl dudd dudu dugu duid duil duin duir duit duli dull dult dulu dung dunn dunt durg duri durn durt duru duul duur duut gdrt gggg ggrn gidd gidi gidl gigg gigi gign gild gilg gili gill gilt ging gini ginn ginu gird girg giri girl girn girr girt giru giur gli- glid glin glit glug glui glun glur glut gnin gnit gnrr gnti grid grig gril grin grit grni grrl grrr grug grui grun grur grut gtld gudi gudu gugg gugi gugu guid guil guin guld guli gull gult gulu gund gung gunn gunt gurd gurg guri gurl gurn gurr gurt guru guti gutt gutu idid idig idil idin idir idli idun igil igli iglu igni ignu igri iiii iiit iitr iitt ilin ilir ilit ill- illd illi illt ilni ilud ilut ind- indi indu inid inig init inni innr innu inri intd intg inti intl intn intr intu inui inul inun iri- irid irig iril irin irri irti irul irun itil itin itll itri itur iuiu lgdt lgin lgtn lidl ligg ligi lign liig liii liin liir lilg lili lill lilt lilu lind ling linn lint lird lirg liri lirl lirn lirr lirt liru litd liti litl litr litt litu liun liut llll llud lndg lndn lrdd lrdg lrrr ltng ltnt lttr ludd ludi lugg lugi lugu luin luit luli lull lulu lund lung luni lunn lunt lurd lurg luri lurt luti n-ii ndnt ndri ndut ngri ngtn ngur nguu nidd nidi nigg nigt niir niit niiu nild nili nill nilt nilu nind ning nini ninl nirt niru niti nitr niur nlgn nngn nnit nnnn nntn nrrd nrrl nrtl ntnd ntnu ntrl ntru nttr ntui nudd nudi nuin nuit nuli null nung nunn nunt nurd nuri nurl nurn nurr nurt nuru nutt nutu rgit rgtr ridd ridi rigg rigi rigu riin rill rilu rind ring rinn riri riti ritl ritt ritu rldt rlin rlug rnin rnld rnli rnnt rntd rnut rrrr rrun rtdt rtlt rtnd rudd rudi rudl rugg rugi ruid ruin ruit rull rund rung runi runn runt rurd ruri ruru ruti rutl rutt rutu ruud ruun tdil tdri tidd tigi tigr tiit tiiu tild till tiln tilr tilt tind ting tini tinn tint tinu tird tiri tirl tirr tiru titi titt titu tldr tlli tndd tnut tri- trig tril trin trit trng trtr trud trug trun trut truu tttt ttul tudi tudu tugg tugu tuig tuil tuin tuit tuiu tuli tull tulu tund tung tuni tunn tunu turd turg turi turn turr turt turu tuti tutl tutt tutu uddi udid udig udin udir udun uggt ugli ugni ugri ugur uguu uint uirr ulli ullr ulti ultt ulul undi ungu uni- unii unin unir unit unni unut urdu urgi urgu urin uriu urni urri urun urur urut utid util utin utri utti uttu utug uulu uuni uuri uuuu