-ing cccc ccci cccp ccgc ccic ccii ccip ccnc ccni ccnp ccoc ccpn ccpp cgcc cgcg cicc cici cico cigi ciii cin- cinc cing cini cino cion cipo cipp cnci cnco cncp cngi cnic coco cocp cogi cogo coin coip con- conc cong coni conn cono coon coop copg copi copo copp cpic cpio cpni gc-c gccc gcic gcii gcpc gggg ggpo gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipi gipp gncc gngc gnin gnip gnoo gnpc gogi gogo goin goip gon- gong goni gonn gono goog gooi goon goop gopc gopi gopo gpgp gpip i-go i-no iccc icci iccn icco iccp icgc icnc icoc icon icpc icpo igcc igcp igni igno igon igoo iiii iiio iino iioi iioo iiop inci inco ingo inig inni inno ino- inoi inon inp- inpi inpp iocg ioci iocp ioii ioio ioni ionn iono iooi iooo ipcc ipin ipop ippc ippo n-ii nccc ncci nccn nccp ncip ncnc ncoc ncpc ngic ngio ngon ngpc nicc nici nico nigc nigg nigo niip ning nini nino niog nion nioo nipc nngn nnnn nnpi noci noco nogg nogo noin noio non- nong noni nonn nono noo- noon nooo noop npcc npic npin nppc occc occi occn ocin ocon ocpp oggi ogin ogni ogog ogoi ogon oici oigo oiii oion oipc onc- onco ongi ongo onic onni onno onon onpg oooo opic opii opin opio opng opo- opon oppi oppo pccc pcgg pcin pcip pcpn pcpp pgcc picc pici pico pigc pigg pign pigo pigp piip pinc ping pini pinn pino pinp pion pipi pipo pipp pnic pnin pnon pnpo pnpp poco pogg pogo poin poio ponc pong poni pono ponp poon poop pop- popc popi popo popp ppcc ppci ppgi ppic ppig pppn pppo pppp