-ol c-- ccc cch ccl cco ccr ccs ch- chc chh chl cho chr chs cl- clc clh cll clo clr cls co- coc coh col coo cor cos crc crh crl cro crr crs csc csh csl cso csr css hcc hch hcl hco hcr hcs hhc hhh hhl hho hhr hhs hlc hlh hll hlo hlr hls hoc hoh hol hoo hor hos hr- hrc hrh hrl hro hrr hrs hsc hsh hsl hsr hss lcc lch lcl lco lcr lcs lhc lhh lho lhr lhs llc lll llo llr lls loc loh lol loo lor los lrc lrh lro lrr lrs lsc lsh lsl lso lsr lss oc- occ och ocl oco ocr ocs ohc ohh ohl oho ohr ohs olc oll olo ols oo- ooc ooh ool ooo oor oos or- orc orh orl oro orr ors os- osc osh osl oso osr oss rcc rch rcl rco rcr rcs rh- rhc rhh rhl rho rhr rhs rlc rlh rll rlo rlr rls roc roh rol roo ror ros rrc rrh rrl rrr rrs rsc rsh rsl rso rsr rss scc sch scl sco scr scs sh- shc shh shl sho shr shs slc slh sll slo slr sls soc soh sol soo sor sos sr- src srh srl sro srr srs ss- ssc ssh ssl sso ssr sss