-th c-- ccc cce cch cck ccl cct ce- cec cee ceh cek cel cet ch- chc che chh chk chl cht ckc ckh ckt cl- clc cle clh clk cll clt ctc cte cth ctk ctl ctt ec- ecc ece ech eck ecl ect eec eee eek eel eet ehc ehe ehh ehl eht ekc eke ekh ekl ekt elc ele elh elk ell elt etc ete eth etk etl ett hcc hce hch hck hcl hct he- hec hee heh hek hel het hhc hhe hhh hhk hhl hht hkh hkk hkl hkt hlc hle hlh hll hlt htc hte hth htk htl htt k-t kcc kce kch kck kcl kct ke- kec kee keh kek kel ket khe khh khk kkc kke kkh kkk kkl kkt kl- klc klh klt ktc kte kth ktk ktl ktt lcc lce lch lck lcl lct lec lee leh lek lel let lhc lhh lhk lht lkh lkl lkt llc lle llk lll llt ltc lte lth ltk ltl ltt tcc tce tch tck tcl tct te- tec tee teh tek tel tet th- thc the thh thk thl tht tkc tke tkk tkl tkt tlc tle tlh tlk tll tlt ttc tte tth ttk ttl ttt