-ing ffff ffii ffrr fftf fiff fifi fift figg fiii fing fini finn fint firn fiti fitt fitz fizz frig frin frit friz ftii fzzt ggfg gggg ggrn giff gift gigg gigi gign ging gini ginn girg giri girn girr girt gizi gizz gnin gnit gnrr gnti grif grig grin grit griz grni grrr gzin ifit ifni ifnr ifrf ifri iftn igni igri iiii iiit iitr iitt infi inig init inni innr inri intg inti intn intr iri- irig irin irri irtf irti itif itin itrf itri ittf n-ii nfff ngri ngtn niff nift nigg nigt niir niit ning nini nirt nitf niti nitr nitz nngn nnit nnnn nntn nttr rgit rgtr riff rift rigg rigi riif riin rinf ring rinn riri riti ritt ritz rizi rizz rnin rnnt rrif rrrr tfin tgif tiff tift tigi tigr tiit ting tini tinn tint tiri tirr titi titt titz tizi tizz trfr tri- trif trig trin trit triz trng trtr ttff ttfn tttt tzzt ziff zift zigg zigi zinf zing zinn ziri ziti zizi zizz znng zrin zzzz