cccc cccp ccee cche cchp ccpe ccpp cec- cece cecp ceec ceke cepc cepe ceph cepp chce chch chcp chec chee cheh chek chep chpp ckch ckck ckpc cpce cpep eccc ecce eche ecpp eeee eeke ehcc eheh ekch ekek ekpe epcc epch epec epee eph- eppc eppp hccc hcch hcpc hech heck heek heep hehe heke hepc hepe hepp hhhh hhpc hkcc hpcc hppe kccc kcck kcec kcee kcep kche kchh kchk kckc kckk kcpc kech keck keeh keek keep kehk kekc keke kep- kepc kepe keph khcc khch khck khec khep khhk khke khkk khpe kkch kkck kkhh kkhk kkkk kkpc kkpk kpcc kpch kpek kphp kpke kpkk kppc kppk kppp pccc pcce pcep pchp pcpp pece pech peck peec peek peep pehe peke pekk pepe phcc phe- phek ppcc pppp