-ic c-- ccc cch cci cck cco ccr ch- chc chh chi chk cho chr ci- cic cih cii cik cio cir ckc ckh cki cko co- coc coh coi cok coo cor crc crh cri crk cro crr h-i hcc hch hci hck hco hcr hhc hhh hhi hhk hho hhr hic hih hii hik hio hir hkh hki hkk hko hkr hoc hoh hoi hok hoo hor hr- hrc hrh hri hrk hro hrr icc ich ici ick ico icr ihc ihh ihi ihk iho ihr iic iih iii iio iir ikc iki ikk iko ikr io- ioc ioh ioi ioo ior ir- irc iri irk iro irr kcc kch kci kck kcr khh khi khk kho khr kic kih kii kik kio kir kkc kkh kki kkk kkr koc koh koi kok koo kor krc kri krk kro krr 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 rcc rch rci rco rcr rh- rhc rhh rhi rho rhr ric rih rii rik rio rir rkc rkk rko roc roh roi rok roo ror rrc rrh rri rrk rrr