-ing cccc ccci ccgc ccic ccii ccir ccnc ccni ccnr ccoc ccrc ccrg ccri cgcc cgcg cgro cicc cici cico cicr cigi ciii cin- cinc cing cini cino cion cior circ ciri ciro cirr cnci cnco cngi cnic cnnz cnrc cnrr coco cogi cogo coin coir con- conc cong coni conn cono coon cor- corc corg cori corn coro corr cozi cozz crcc crcr crcz cric crig crin croc cron croo cror croz czon gc-c gccc gcic gcii gcrg gggg ggrn gicr gigg gigi gign gigo ging gini ginn gino giog gioi gion girg giri girn giro girr gizi gizo gizz gncc gngc gnin gnoo gnrc gnrr gocr gogi gogo goin gon- gong goni gonn gono goog gooi goon goor gorg gori gorn goro gorr gorz gozi gozo grcc gric grig grin griz grni groc grog groi gron groo gror grrr gzin i-go i-no iccc icci iccn icco iccr icgc icnc icoc icon icor icrc icrr iczn igcc igni igno igon igoo igor igri iiii iiio iino iioi iioo iirc inci inco incr ingo inig inni inno innr ino- inoi inon inor inoz inri inro iocg ioci ioii ioio ioni ionn iono iooi iooo iorg iori ircc ircg iri- iric irig irin irio iroc iron irrc irri izon izzo n-ii nccc ncci nccn nccr ncgr ncnc ncoc ncor ncrc ncri ngic ngio ngon ngor ngri nicc nici nico nigc nigg nigo niir ning nini nino niog nion nioo niro nngn nnnn noci noco nogg nogo noin noio noir non- nong noni nonn nono noo- noon nooo noor nor- norc norg nori norn noro norr nozi nric nroc nron nrrc nzcc occc occi occn ocin ocon ocro ocrr oggi ogin ogiz ogni ogog ogoi ogon ogri ogro oici oigo oiii oion onc- onco ongi ongo onic onir onni onno onon onor onoz onzo oocr oooo oozi orci orco orgn orgo ori- oric orig orin orio ornc orni orno oro- oron oror oroz orri orro orzo ozon rccc rcgc rcic rcnr rcon rcrg ricc rico rigg rigi rigo riin ring rinn rino rion rioz riri rizi rizz rnco rnin rocc roco rogg rogi rogo roig roin roio roir roiz ronc rong roni rono roog rooi roon roor rooz rorc rori roro rozi rozz rrrr z-ro zgon zico zigg zigi zigo zinc zing zinn zino zion zirc ziri ziro zizi zizz znng zoco zogg zogi zogo zoic zoio zon- zong zoni zoo- zoon zorc zorg zori zorn zoro zozo zrin zzzz