-ic -ji c-- c-j ccc ccd cci ccj cck ccr cdc cdd cdi cdj cdk cdr ci- cic cid cii cij cik cir cjc cjd cjk cjr ckc ckd cki crc crd cri crj crk crr dcc dcd dci dck dcr ddc ddd ddi ddk ddr di- dic did dii dik dir dj- djc djd dji djk dkc dki dkk dkr drc drd dri drj drk drr i-d icc icd ici icj ick icr idc idd idi idk idr iic iid iii iij iir ijc iji ijk ikc iki ikk ikr ir- irc ird iri irj irk irr j-d j-i jcc jcd jci jck jcr jdc jdi jdr jic jii jij jir jjc jjj jjk jjr jkk jkr jrc jri jrk jrr kcc kcd kci kck kcr kdc kdk kdr kic kid kii kij kik kir kjc kji kjr kkc kki kkk kkr krc krd kri krk krr rcc rcd rci rcj rcr rdc rdd rdi rdj rdr ric rid rii rik rir rjc rjk rjr rkc rkk rrc rrd rri rrk rrr