-th c-- ccc cce cch cck cct ccz ce- cec cee ceh cek cet cez ch- chc che chh chk cht chz ckc ckh ckt ctc cte cth ctk ctt ctz cz- czc cze czk czt ec- ecc ece ech eck ect eec eee eek eet ehc ehe ehh eht ekc eke ekh ekt etc ete eth etk ett etz eze ezh ezz hcc hce hch hck hct he- hec hee heh hek het hez hhc hhe hhh hhk hht hhz hkh hkk hkt htc hte hth htk htt htz hze hzt k-t k-z kcc kce kch kck kct ke- kec kee keh kek ket kez khe khh khk khz kkc kke kkh kkk kkt ktc kte kth ktk ktt tcc tce tch tck tct te- tec tee teh tek tet tez th- thc the thh thk tht thz tkc tke tkk tkt tkz ttc tte tth ttk ttt tze zce zec zee zeh zek zet zez zhc zhe zte zzt zzz