-ic c-- ccc ccd cci cck cco ccr cdc cdd cdi cdk cdo cdr cdy ci- cic cid cii cik cio cir ckc ckd cki cko cky co- coc cod coi cok coo cor coy crc crd cri crk cro crr cry cyc cyd cyk cyo cyr dcc dcd dci dck dco dcr ddc ddd ddi ddk ddo ddr ddy di- dic did dii dik dio dir diy dkc dki dkk dko dkr doc dod doi dok doo dor doy drc drd dri drk dro drr dry dy- dyc dyd dyk dyo dyr dyy i-d icc icd ici ick ico icr icy idc idd idi idk ido idr idy iic iid iii iio iir ikc iki ikk iko ikr io- ioc iod ioi ioo ior ir- irc ird iri irk iro irr iry iyc iyo iyr iyy kcc kcd kci kck kcr kdc kdk kdo kdr kdy kic kid kii kik kio kir kkc kki kkk kkr kky koc kod koi kok koo kor koy krc krd kri krk kro krr kry kyc kyd kyo kyr o-i oc- occ ocd oci ock oco ocr odc odd odi odo odr oic oid oii oik oio oir okc okd oki okk oko okr oo- ooc ood ooi ook ooo oor or- orc ord ori ork oro orr ory oyd oyi oyo rcc rcd rci rco rcr rdc rdd rdi rdo rdr rdy ric rid rii rik rio rir riy rkc rkk rko rky roc rod roi rok roo ror roy rrc rrd rri rrk rrr ry- ryc ryd ryk ryo ryr ryy ycc ycd yci yco ycy ydo ydy yid yii yio yir yki ykk yoc yod yoi yok yoo yor yoy yrc yro yyc yyy