-ol -th c-- ccc cch ccl cco ccs cct ch- chc chh chl cho chs cht cl- clc clh cll clo cls clt co- coc coh col coo cos cot csc csh csl cso css cst ctc cth ctl cto cts ctt hcc hch hcl hco hcs hct hhc hhh hhl hho hhs hht hlc hlh hll hlo hls hlt hoc hoh hol hoo hos hot hsc hsh hsl hss hst htc hth htl hto hts htt lcc lch lcl lco lcs lct lhc lhh lho lhs lht llc lll llo lls llt loc loh lol loo los lot lsc lsh lsl lso lss lst ltc lth ltl lto lts ltt oc- occ och ocl oco ocs oct ohc ohh ohl oho ohs oht olc oll olo ols olt oo- ooc ooh ool ooo oos oot os- osc osh osl oso oss ost ot- otc oth otl oto ots ott scc sch scl sco scs sct sh- shc shh shl sho shs sht slc slh sll slo sls slt soc soh sol soo sos sot ss- ssc ssh ssl sso sss sst stc sth stl sto sts stt tcc tch tcl tco tcs tct th- thc thh thl tho ths tht tlc tlh tll tlo tls tlt to- toc toh tol too tos tot tsc tsh tsl tso tss tst ttc tth ttl tto tts ttt