-ic c-- ccc cch cci cck cco ccr ch- chc chh chi chk cho chr chy ci- cic cih cii cik cio cir ckc ckh cki cko cky co- coc coh coi cok coo cor coy crc crh cri crk cro crr cry cyc cyk cyo cyr h-i hcc hch hci hck hco hcr hcy hhc hhh hhi hhk hho hhr hhy hic hih hii hik hio hir hkh hki hkk hko hkr hoc hoh hoi hok hoo hor hoy hr- hrc hrh hri hrk hro hrr hy- hyc hyh hyi hyo hyr hyy icc ich ici ick ico icr icy ihc ihh ihi ihk iho ihr ihy iic iih iii iio iir ikc iki ikk iko ikr io- ioc ioh ioi ioo ior ir- irc iri irk iro irr iry iyc iyo iyr iyy kcc kch kci kck kcr khh khi khk kho khr kic kih kii kik kio kir kkc kkh kki kkk kkr kky koc koh koi kok koo kor koy krc kri krk kro krr kry kyc kyo kyr o-i oc- occ och oci ock oco ocr ohc ohh ohi oho ohr oic oii oik oio oir okc oki okk oko okr oo- ooc ooh ooi ook ooo oor or- orc orh ori ork oro orr ory oyi oyo rcc rch rci rco rcr rh- rhc rhh rhi rho rhr ric rih rii rik rio rir riy rkc rkk rko rky roc roh roi rok roo ror roy rrc rrh rri rrk rrr ry- ryc ryk ryo ryr ryy ycc ych yci yco ycy yhc yhi yih yii yio yir yki ykk yoc yoi yok yoo yor yoy yrc yro yyc yyy