-ing cccc ccci ccgc ccgt ccic ccii ccir ccnc ccni ccnr ccoc ccrc ccrg ccri ccrt cctc cctt cgcc cgcg cgro cicc cici cico cicr cict cigi ciii ciit cin- cinc cing cini cino cint cion cior circ ciri ciro cirr cirt citg citi cito citt cnci cnco cngi cnic cnrc cnrr cnrt cntc cntr coco coct cogi cogo coin coir coit con- conc cong coni conn cono cont coon coot cor- corc corg cori corn coro corr cort cotc coti cotn coto cott crcc crcr cric crig crin crit croc cron croo cror crot crrt crtc ctic ctor ctot ctrc ctrn cttn gc-c gccc gcic gcii gcrg gctc gggg ggrn gicr gigg gigi gign gigo ging gini ginn gino giog gioi gion girg giri girn giro girr girt gito gncc gngc gnin gnit gnoo gnrc gnrr gnti gocr gogi gogo goin goit gon- gong goni gonn gono goog gooi goon goor goot gorg gori gorn goro gorr gort goti goto gott grcc gric grig grin grit grni groc grog groi gron groo gror grot grrr grtc gtco gtcr i-go i-no iccc icci iccn icco iccr icct icgc icnc icoc icon icor icrc icrr icrt igcc igni igno igon igoo igor igot igri iiii iiio iiit iino iioi iioo iirc iitr iitt inci inco incr ingo inig init inni inno innr ino- inoi inon inor inot inri inro intg inti intn into intr iocg ioci iogt ioii ioio ioit ioni ionn iono iooi iooo iorg iori ioto ircc ircg iri- iric irig irin irio iroc iron irrc irri irti itgc itgo itic itin itno itoi iton itoo itor itri itto n-ii nccc ncci nccn nccr ncct ncgr ncit ncnc ncoc ncor ncrc ncri nctc nctr ngic ngio ngon ngor ngri ngtn nicc nici nico nigc nigg nigo nigt niir niit ning nini nino niog nion nioo niro nirt nitc niti nito nitr nngn nnit nnnn nnot nntn noci noco noct nogg nogo nogt noin noio noir noit non- nong noni nonn nono nont noo- noon nooo noor noot nor- norc norg nori norn noro norr nort not- noti noto nott nric nroc nron nrrc ntcc ntrc ntto nttr occc occi occn occt ocin ocon ocro ocrr oct- octi octo oggi ogin ogni ogog ogoi ogon ogri ogro oici oigo oiii oint oion oirt oitc oiti onc- onco onct ongi ongo onic onir onit onni onno onon onor ont- ontc onti onto oocr oont oooo oort orci orco orgn orgo ori- oric orig orin orio orit ornc orni orno oro- oron oror orot orri orro ortc orto otic otin otit oto- otog oton otoo otor otro otti otto rccc rcgc rcic rcnr rcon rcrg rctc rctg rcti rgit rgtr ricc rico rict rigg rigi rigo riin ring rinn rino rion riot riri riti rito ritt rnco rnin rnnt rnot rocc roco rogg rogi rogo roig roin roio roir roit ronc rong roni rono ront roog rooi roon roor root rorc rori roro rort rotc rotg roti rotn roto rotr rott rrrr rtcc rtcg tccc tcnn tcon tctc tgcc tgtc ticc tico tigi tigr tiit tinc ting tini tinn tino tint tion tiri tiro tirr titc titi tito titt tncc toci toco togo togr togt toit tong toni tonn tono toon toor toot torc torg tori torn toro torr tort totc toti toto totr tott trcc tri- tric trig trin trio trit trng trno troc trog troi tron troo trot trtc trtr ttcn tton tttt