-ol c-- ccc cch ccl cco ccr ch- chc chh chl cho chr cl- clc clh cll clo clr co- coc coh col coo cor crc crh crl cro crr hcc hch hcl hco hcr hhc hhh hhl hho hhr hlc hlh hll hlo hlr hoc hoh hol hoo hor hr- hrc hrh hrl hro hrr lcc lch lcl lco lcr lhc lhh lho lhr llc lll llo llr loc loh lol loo lor lrc lrh lro lrr oc- occ och ocl oco ocr ohc ohh ohl oho ohr olc oll olo oo- ooc ooh ool ooo oor or- orc orh orl oro orr rcc rch rcl rco rcr rh- rhc rhh rhl rho rhr rlc rlh rll rlo rlr roc roh rol roo ror rrc rrh rrl rrr