-ol c-- ccc cch cck ccl cco ccr ch- chc chh chk chl cho chr ckc ckh cko cl- clc clh clk cll clo clr co- coc coh cok col coo cor crc crh crk crl cro crr hcc hch hck hcl hco hcr hhc hhh hhk hhl hho hhr hkh hkk hkl hko hkr hlc hlh hll hlo hlr hoc hoh hok hol hoo hor hr- hrc hrh hrk hrl hro hrr kcc kch kck kcl kcr khh khk kho khr kkc kkh kkk kkl kkr kl- klc klh klo klr koc koh kok kol koo kor krc krk krl kro krr lcc lch lck lcl lco lcr lhc lhh lhk lho lhr lkh lkl lkr llc llk lll llo llr loc loh lok lol loo lor lrc lrh lrk lro lrr oc- occ och ock ocl oco ocr ohc ohh ohl oho ohr okc okk okl oko okr olc olk oll olo oo- ooc ooh ook ool ooo oor or- orc orh ork orl oro orr rcc rch rcl rco rcr rh- rhc rhh rhl rho rhr rkc rkk rko rlc rlh rll rlo rlr roc roh rok rol roo ror rrc rrh rrk rrl rrr