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 ciko cikr cior circ ciri cirk ciro cirr ckck ckco ckdo ckgo ckoc ckoi ckoo ckor ckrc ckrd cock coco codd codi cogi cogo coir cok- coko cood cook cor- corc cord corg cori cork coro corr crcc crcr crdc cric crig crik crkc croc crod crok croo cror dccc dcci dcgo dcii dcio dcrk dddd ddoc ddrc dgkd dgkg dici dick dico didi dido digg digi digo diii diki diko dioc dior dird dirk dirr dkdc dkid doci dock doco dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doki doko dood dook door dorc dord dori dork doro dorr dric drod drog gc-c gccc gcic gcii gcrg gdci gdor gdrc gggg gick gicr gidc gidd gidi gido gigg gigi gigo giog gioi gird girg giri girk giro girr gocr godi godo gogi gogo good goog gooi gook goor gord gorg gori goro gorr grcc grdc gric grid grig groc grod grog groi grok 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 igkc igoo igor igri iicd iiii iiio iioi iioo iirc ikid ikig ikki ikko ikoo ikri iocg ioci iod- iodd iodo ioii ioio ioko iooi iooo iorg iori ircc ircd ircg irdc irdo iri- iric irid irig irio irki iroc irod irrc irri k-ci k-id kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcgc kcgi kcgr kcic kcid kcii kcir kckc kckk kcko kckr kcog kcor kcrc kcrg kcri kcro kcrr kdcc kdcd kdco kdcr kddc kddd kddg kddi kddk kddr kdgo kdic kdio kdkd kdkk kdko kdkr kdoc kdog kdok kdri kdro kgcc kgcd kgcr kgdc kgdd kggg kggi kggo kggr kgio kgir kgor kgrc kgrd kgrg kgri kgrk kgro kgrr kicc kicd kicg kick kicr kidd kidg kidi kidk kido kidr kigc kigo kiic kiid kiii kiik kikc kikd kiki kikk kiko kikr kioc kiod kioi kiok kioo kirc kiri kirk kiro kirr kkcd kkci kkck kkco kkcr kkdc kkdd kkdg kkdo kkgo kkgr kkic kkid kkik kkkk kkoo kkor kkrc kkrk kkro kkrr kocd koci kock kodi kodk kodo kogd kogg kogi kogo koii koir kokc koki kokk koko kokr kooc koog kooi kook kooo koor korc kord korg kori kork koro korr krcc krcd krcg krci krco krdc krdd krdg krdo krdr krgi krid krik krio krkc krkd krki krkk krko krkr kroc krod krog kroi krok kroo kror krrc krrg krri krrk krro krrr occc occi ocro ocrr odci oddd oddi odic odio odir odoo odor ogdc oggi ogod ogog ogoi ogri ogro oici oick oido oigo oiii oiko okgo okic okir okko okok okor okro oocr oodi ooid oooo oord orci orco ordo orgo ori- oric orid orig orio orko oro- orok oror orri orro rccc rcdc rcgc rcic rcid rcrd rcrg rdio rdoc ricc rick rico ridc ridd ridi rido rigg rigi rigo riki rikk riri rocc rock roco rodd rodi rodo rogg rogi rogo roid roig roik roio roir roki rokk roko rokr rood roog rooi rook roor rorc rori rork roro rrrr