cccc ccci ccgc ccic ccii ccir ccoc ccrc ccrg ccri cgcc cgcg cgro cicc cici cico cicr cigi ciii cior circ ciri ciro cirr coco cogi cogo coir cor- corc corg cori coro corr crcc crcr cric crig croc croo cror gc-c gccc gcic gcii gcrg gggg gicr gigg gigi gigo giog gioi girg giri giro girr gocr gogi gogo goog gooi goor gorg gori goro gorr grcc gric grig groc grog groi groo gror grrr i-go iccc icci icco iccr icgc icoc icor icrc icrr igcc igoo igor igri iiii iiio iioi iioo iirc iocg ioci ioii ioio iooi iooo iorg iori ircc ircg iri- iric irig irio iroc irrc irri occc occi ocro ocrr oggi ogog ogoi ogri ogro oici oigo oiii oocr oooo orci orco orgo ori- oric orig orio oro- oror orri orro rccc rcgc rcic rcrg ricc rico rigg rigi rigo riri rocc roco rogg rogi rogo roig roio roir roog rooi roor rorc rori roro rrrr