-ic c-- ccc cch cci cck cco ccr ccv ch- chc chh chi chk cho chr chv ci- cic cih cii cik cio cir civ ckc ckh cki cko co- coc coh coi cok coo cor cov crc crh cri crk cro crr crv cvc cvh cvi cvk cvo cvr cvv h-i hcc hch hci hck hco hcr hcv hhc hhh hhi hhk hho hhr hhv hic hih hii hik hio hir hiv hkh hki hkk hko hkr hoc hoh hoi hok hoo hor hov hr- hrc hrh hri hrk hro hrr hrv hv- hvc hvk hvo hvr hvv i-v icc ich ici ick ico icr icv ihc ihh ihi ihk iho ihr ihv iic iih iii iio iir ikc iki ikk iko ikr ikv io- ioc ioh ioi ioo ior iov ir- irc iri irk iro irr irv ivc ivi ivo ivr ivv kcc kch kci kck kcr khh khi khk kho khr khv kic kih kii kik kio kir kiv kkc kkh kki kkk kkr kkv koc koh koi kok koo kor krc kri krk kro krr krv kvh kvi kvk kvo kvr kvv o-i oc- occ och oci ock oco ocr ocv ohc ohh ohi oho ohr oic oii oik oio oir oiv okc oki okk oko okr oo- ooc ooh ooi ook ooo oor oov or- orc orh ori ork oro orr orv ov- ovc ovh ovi ovo ovv rcc rch rci rco rcr rcv rh- rhc rhh rhi rho rhr rhv ric rih rii rik rio rir riv rkc rkk rko rkv roc roh roi rok roo ror rov rrc rrh rri rrk rrr rvc rvh rvi rvo rvr rvv vcc vch vci vco vcr vh- vhc vhi vho vi- vic vii vik vio vir viv voc voh voi vok voo vor vov vrc vrh vri vrk vrr vvc vvi vvo vvr vvv