-ing dddd dfdt dfrf dfri dftg dftr didi dif- diff digg digi diii din- ding dini dinn dint dird dirr dirt diti ditt dntt drif drin drit dtng fdti ffff ffii ffrr fftf fidf fiff fifi fift figg fiii find fing fini finn fint firn fiti fitt fndd fndg fndn fndr frid frig frin frit ftdi ftgd ftii gdfr gdnf gdrt ggfg gggg ggrn gidd gidi giff gift gigg gigi gign ging gini ginn gird girg giri girn girr girt gnin gnit gnrr gnti grid grif grig grin grit grni grrr idgf idid idig idin idir idrf ifid ifit ifni ifnr ifrf ifri iftn igni igri iiii iiit iitr iitt ind- indi infi inid inig init inni innr inri intd intg inti intn intr iri- irid irig irin irri irtf irti itif itin itrf itri ittf n-ii ndfi ndnt ndrf ndri nfff ngri ngtn nidd nidi niff nift nigg nigt niir niit nind ning nini nirt nitf niti nitr nngn nnit nnnn nntn nrrd ntnd nttr rfdi rfid rgit rgtr ridd ridi riff rift rigg rigi riif riin rind rinf ring rinn riri riti ritt rndf rnin rnnt rntd rrif rrrr rtdt rtnd tdff tdri tfin tgif tidd tiff tift tigi tigr tiit tind ting tini tinn tint tird tiri tirr titi titt tndd tndf trfd trfr tri- trif trig trin trit trng trtr ttff ttfn tttt