-ing gggg ggrn gigg gigi gign ging gini ginn gipi gipp girg giri girn girr girt gnin gnip gnit gnrr gnti gntp gpgp gpip gprp grig grin grip grit grni grrr gtip igni igri iiii iiit iitr iitt inig init inni innr inp- inpi inpp inpt inri intg inti intn intp intr ipin ippr ipri iri- irig irin irip irri irti irtp itin itri n-ii ngri ngtn nigg nigt niip niir niit ning nini nipr nipt nirt niti nitr nngn nnit nnnn nnpi nnpr nntn npin npri nprt nptn nrpn nttr pigg pign pigp pigt piip ping pini pinn pinp pint pipi pipp pirg piri pirn pirr piti pitr pitt pnin pnpp pntr ppgi ppig pppn pppp pptn pptt pri- prig prii prin prnp prri prti prtp prtr rgit rgtr rigg rigi riin ring rinn ripi ripp ripr ript riri riti ritt rnin rnnt rntp rpii rppn rptn rrrr rttp tigi tigr tiit ting tini tinn tint tip- tipi tipp tipt tiri tirr titi titp titt tpir tppp tppr tptp tptr tri- trig trin trip trit trng trpg trpn trpp trtr tttt