-ing ffff ffii fiff fifi fifo figg figo fiii fing fini finn fino finp fion fipp fofo fogg fogi fogn fogo foin fong fono foof foon fopp fpin ggfg gggg ggpo giff gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipf gipi gipp gnin gnip gnof gnoo goff gogi gogo goif goin goip gon- gong goni gonn gono goof goog gooi goon goop gopi gopo gpgp gpip i-go i-no ifni ifno ifpo igni igno igon igoo iiii iiio iino iioi iioo iiop iipf infi info infp ingo inig inni inno ino- inoi inon inp- inpi inpp ioii ioio ioni ionn iono ioof iooi iooo ipin ipop ippf ippo n-ii nfff nfip nfon ngio ngon niff nigg nigo niip ning nini nino niog nion nioo nngn nnnn nnpi nofi nogg nogo noif noin noio non- nong noni nonn nono noo- noon nooo noop npif npin off- offo ofgo ofno oggi ogin ogni ogog ogoi ogon oigo oiii oion ongi ongo onni onno onon onpg ooff oooo opii opin opio opng opo- opon oppi oppo pfff piff pigf pigg pign pigo pigp piip ping pini pinn pino pinp pion pipi pipo pipp pnin pnon pnpo pnpp poff pofi pogg pogo poin poio pong poni pono ponp poof poon poop pop- popi popo popp ppgi ppif ppig pppn pppo pppp