-ing ffff ffii fftf fiff fifi fift figg fiii fing fini finn finp fint fipp fiti fitt fpgt fpin ftii gftp ggfg gggg giff gift gigg gigi gign ging gini ginn gipf gipi gipp gnin gnip gnit gnti gntp gpgp gpip gtip ifit ifni iftn igni iiii iiit iipf iitt infi infp inig init inni inp- inpi inpp inpt intg inti intn intp ipin ippf itif itin ittf n-ii nfff nfip ngtn niff nift nigg nigt niip niit ning nini nipt nitf niti nngn nnit nnnn nnpi nntn npif npin nptn ntfp pfff pfft pfit piff pigf pigg pign pigp pigt piip ping pini pinn pinp pint pipi pipp pitf piti pitt pnin pnpp ppgi ppif ppig pppn pppp pptn pptt tfin tfnp tfpt tftp tgif tiff tift tigi tiit ting tini tinn tint tip- tipi tipp tipt titi titp titt tppp tptp ttff ttfn tttt