-ing cccc ccci cccp ccgc ccic ccii ccip ccir ccnc ccni ccnp ccnr ccoc ccpn ccpp ccpr ccrc ccrg ccri ccrp cgcc cgcg cgro cicc cici cico cicr cigi ciii cin- cinc cing cini cino cion cior cipo cipp circ ciri ciro cirr cnci cnco cncp cngi cnic cnrc cnrr coco cocp cogi cogo coin coip coir con- conc cong coni conn cono coon coop copg copi copo copp copr cor- corc corg cori corn coro corp corr cpic cpio cpni cpri crcc crcr cric crig crin crip croc cron croo crop cror crpc gc-c gccc gcic gcii gcpc gcrg gggg ggpo ggrn gicr gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipi gipp girg giri girn giro girr gncc gngc gnin gnip gnoo gnpc gnrc gnrr gocr gogi gogo goin goip gon- gong goni gonn gono goog gooi goon goop goor gopc gopi gopo gorg gori gorn goro gorp gorr gpgp gpip gprp grcc gric grig grin grip grni groc grog groi gron groo grop gror grpc grrr i-go i-no iccc icci iccn icco iccp iccr icgc icnc icoc icon icor icpc icpo icrc icrr igcc igcp igni igno igon igoo igor igri iiii iiio iino iioi iioo iiop iirc inci inco incr ingo inig inni inno innr ino- inoi inon inor inp- inpi inpp inri inro iocg ioci iocp ioii ioio ioni ionn iono iooi iooo iorg iori ipcc ipin ipop ippc ippo ippr ipri ircc ircg iri- iric irig irin irio irip iroc iron irop irpc irrc irri n-ii nccc ncci nccn nccp nccr ncgr ncip ncnc ncoc ncor ncpc ncrc ncri ncrp ngic ngio ngon ngor ngpc ngri nicc nici nico nigc nigg nigo niip niir ning nini nino niog nion nioo nipc nipr niro nngn nnnn nnpi nnpr noci noco nogg nogo noin noio noir non- nong noni nonn nono noo- noon nooo noop noor nor- norc norg nori norn noro norr npcc npic npin nppc npri nric nroc nron nrpc nrpn nrrc occc occi occn ocin ocon ocpp ocro ocrr oggi ogin ogni ogog ogoi ogon ogri ogro oici oigo oiii oion oipc onc- onco ongi ongo onic onir onni onno onon onor onpg oocr oooo opic opii opin opio opng opo- opon opor oppi oppo orci orco orgn orgo ori- oric orig orin orio ornc orni orno oro- oron oror orpc orpi orri orro pccc pcgg pcin pcip pcpn pcpp pcrc pgcc pgrc picc pici pico picr pigc pigg pign pigo pigp piip pinc ping pini pinn pino pinp pion pipi pipo pipp pirc pirg piri pirn piro pirr pnic pnin pnon pnpo pnpp pnro poco pogg pogo poin poio ponc pong poni pono ponp poon poop poor pop- popc popi popo popp porc porg pori porn poro porr ppcc ppci ppgi ppic ppig pppn pppo pppp pprc prcc prcp pri- prig prii prin prnp pro- proc prog pron proo prop prri rccc rcgc rcic rcnr rcon rcpi rcpo rcrg ricc rico rigg rigi rigo riin ring rinn rino rion ripi ripp ripr riri rnco rncp rnin rocc roco rogg rogi rogo roig roin roio roir ronc rong roni rono roog rooi roon roop roor ropo rorc rori roro rpii rpon rppn rrrr