-ol -th c-- ccc cch ccl cco ccp ccs cct ch- chc chh chl cho chp chs cht cl- clc clh cll clo clp cls clt co- coc coh col coo cop cos cot cpc cph cpl cpo cpp cps cpt csc csh csl cso csp css cst ctc cth ctl cto ctp cts ctt hcc hch hcl hco hcp hcs hct hhc hhh hhl hho hhp hhs hht hlc hlh hll hlo hlp hls hlt hoc hoh hol hoo hop hos hot hpc hph hpl hpo hpp hps hpt hsc hsh hsl hsp hss hst htc hth htl hto htp hts htt l-p lcc lch lcl lco lcp lcs lct lhc lhh lho lhp lhs lht llc lll llo llp lls llt loc loh lol loo lop los lot lpc lph lpl lpo lpp lps lpt lsc lsh lsl lso lsp lss lst ltc lth ltl lto ltp lts ltt oc- occ och ocl oco ocp ocs oct ohc ohh ohl oho ohp ohs oht olc oll olo olp ols olt oo- ooc ooh ool ooo oop oos oot op- opc oph opl opo opp ops opt os- osc osh osl oso osp oss ost ot- otc oth otl oto otp ots ott p-p pcc pch pcl pco pcp pcs pct phc phl pho php phs pht plc plh pll plo plp pls plt poc poh pol poo pop pos pot ppc pph ppl ppo ppp pps ppt ps- psc psh psl pso psp pss pst pt- ptc pth ptl pto ptp pts ptt scc sch scl sco scp scs sct sh- shc shh shl sho shp shs sht slc slh sll slo slp sls slt soc soh sol soo sop sos sot spc sph spl spo spp sps spt ss- ssc ssh ssl sso ssp sss sst stc sth stl sto stp sts stt tcc tch tcl tco tcp tcs tct th- thc thh thl tho thp ths tht tlc tlh tll tlo tlp tls tlt to- toc toh tol too top tos tot tpc tph tpl tpo tpp tps tpt tsc tsh tsl tso tsp tss tst ttc tth ttl tto ttp tts ttt