cccc ccee cche cchr ccrc ccre cec- cece ceec ceke cer- cerc cere cexe chce chch chec chee cheh chek cher chex chrc chrr ckch ckck ckcx cker ckrc crcc crce crcr cre- crec cree creh crex crkc cxxx eccc ecce eche ecrc ecrr eeee eeke eerc ehcc eheh eher ehre ekch ekek eker er-x ercc erce erch erec erer erhc erke errc erre exch exec exer exh- exrx hccc hcch hech heck heek heer hehe heke herc here herk herr hex- hexe hhex hhhh hkcc hkex hree hrrc kc-x kccc kcck kccr kcec kcee kche kchh kchk kchr kchx kckc kckk kckr kckx kcrc kcrh kcrr kcrx kcxr kech keck kecr keeh keek keer kehk kehr kekc keke ker- kerc kere kerk kerr kerx kexx khcc khch khck khec kher khhk khke khkk khkr khkx khrk khrr kkch kkck kkcr kkex kkhh kkhk kkhr kkkk kkrc kkre kkrh kkrk kkrr kkrx kkxk kkxx krcc krce krch krec kree kreh krek krex krhc krkc krke krkh krkk krkr krkx krrc krre krrk krrr krrx krxk krxr krxx kxex kxkc kxkk kxkx kxrc kxre kxrk kxrr kxrx kxxe kxxk kxxr kxxx rccc recc rece rech reck recr reek rehe reke rere rexx rhce rhee rhex rrrr xeer xer- xexe xhck xxxx