-ol -th c-- ccc cch cck ccl cco cct ch- chc chh chk chl cho cht ckc ckh cko ckt cl- clc clh clk cll clo clt co- coc coh cok col coo cot ctc cth ctk ctl cto ctt hcc hch hck hcl hco hct hhc hhh hhk hhl hho hht hkh hkk hkl hko hkt hlc hlh hll hlo hlt hoc hoh hok hol hoo hot htc hth htk htl hto htt k-t kcc kch kck kcl kct khh khk kho kkc kkh kkk kkl kkt kl- klc klh klo klt koc koh kok kol koo kot ktc kth ktk ktl kto ktt lcc lch lck lcl lco lct lhc lhh lhk lho lht lkh lkl lkt llc llk lll llo llt loc loh lok lol loo lot ltc lth ltk ltl lto ltt oc- occ och ock ocl oco oct ohc ohh ohl oho oht okc okk okl oko olc olk oll olo olt oo- ooc ooh ook ool ooo oot ot- otc oth otk otl oto ott tcc tch tck tcl tco tct th- thc thh thk thl tho tht tkc tkk tkl tko tkt tlc tlh tlk tll tlo tlt to- toc toh tok tol too tot ttc tth ttk ttl tto ttt