c-cd cccc ccci ccdc ccdi ccdr ccic ccid ccii ccir ccrc ccri cd-r cddr cdic cdii cicc cici cicr cidc cidi cidr ciid ciii cikr circ ciri cirk cirr cjcj cjdc cjic cjrc cjrj ckck ckjr ckrc ckrd crcc crcr crdc cric crik crkc dccc dcci dcii dcrk dddd ddrc dici dick didi didj diii diki dird dirk dirr dkdc dkid dric iccc icci iccr icdc icdd icrc icrr idcr idic idid idir idjc idrc iicd iiii iirc ijji ikid ikki ikri ircc ircd irdc iri- iric irid irki irrc irri jccc jcci jcrc jick jidi jiji jijk jird jiri jirk jjcc k-ci k-id kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcic kcid kcii kcir kcjc kcjj kcjk kckc kckj kckk kckr kcrc kcri kcrr kdcc kdcd kdcr kddc kddd kddi kddk kddr kdic kdji kdjr kdkd kdkk kdkr kdri kicc kicd kicj kick kicr kidd kidi kidj kidk kidr kiic kiid kiii kiik kiji kikc kikd kiki kikk kikr kirc kiri kirk kirr kjcc kjcd kjck kjcr kjic kjik kjir kjjd kjjj kjjk kjjr kjkj kjkk kjrc kkcd kkci kkcj kkck kkcr kkdc kkdd kkdj kkic kkid kkik kkjd kkjk kkkj kkkk kkrc kkrk kkrr krcc krcd krci krdc krdd krdr krid krik krjc krjk krkc krkd krki krkk krkr krrc krri krrk krrr rccc rcdc rcic rcid rcrd ricc rick ridc ridd ridi riji riki rikk riri rjdj rrrr