c-cd cccc ccci ccdc ccdi ccdr ccgc ccic ccid ccii ccir ccoc ccod ccrc ccrg ccri cd-r cddr cdic cdii cdio cgcc cgcg cgro cicc cici cico cicr cidc cidg cidi cidr cigi ciid ciii cior circ ciri ciro cirr coco codd codi cogi cogo coir cood cor- corc cord corg cori coro corr crcc crcr crdc cric crig croc crod croo cror dccc dcci dcgo dcii dcio dddd ddoc ddrc dici dico didi dido digg digi digo diii dioc dior dird dirr doci doco dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig dood door dorc dord dori doro dorr dric drod drog gc-c gccc gcic gcii gcrg gdci gdor gdrc gggg gicr gidc gidd gidi gido gigg gigi gigo giog gioi gird girg giri giro girr gocr godi godo gogi gogo good goog gooi goor gord gorg gori goro gorr grcc grdc gric grid grig groc grod grog groi groo gror grrr i-go iccc icci icco iccr icdc icdd icgc icoc icod icor icrc icrr idcr iddo idgo idic idid idig idio idir idoc idog idrc idro igcc igoo igor igri iicd iiii iiio iioi iioo iirc iocg ioci iod- iodd iodo ioii ioio iooi iooo iorg iori ircc ircd ircg irdc irdo iri- iric irid irig irio iroc irod irrc irri occc occi ocro ocrr odci oddd oddi odic odio odir odoo odor ogdc oggi ogod ogog ogoi ogri ogro oici oido oigo oiii oocr oodi ooid oooo oord orci orco ordo orgo ori- oric orid orig orio oro- oror orri orro rccc rcdc rcgc rcic rcid rcrd rcrg rdio rdoc ricc rico ridc ridd ridi rido rigg rigi rigo riri rocc roco rodd rodi rodo rogg rogi rogo roid roig roio roir rood roog rooi roor rorc rori roro rrrr