-ing dddd didi digg digi diii din- ding dini dinn dint dird dirr dirt diti ditt dntt drin drit dtng gdrt gggg ggrn gidd gidi gigg gigi gign ging gini ginn gird girg giri girn girr girt gnin gnit gnrr gnti grid grig grin grit grni grrr idid idig idin idir igni igri iiii iiit iitr iitt ind- indi inid inig init inni innr inri intd intg inti intn intr iri- irid irig irin irri irti itin itri n-ii ndnt ndri ngri ngtn nidd nidi nigg nigt niir niit nind ning nini nirt niti nitr nngn nnit nnnn nntn nrrd ntnd nttr rgit rgtr ridd ridi rigg rigi riin rind ring rinn riri riti ritt rnin rnnt rntd rrrr rtdt rtnd tdri tidd tigi tigr tiit tind ting tini tinn tint tird tiri tirr titi titt tndd tri- trig trin trit trng trtr tttt