cccc ccci cccp ccee cche cchp ccic ccii ccip ccpe ccpp cec- cece ceci cecp ceec ceip cepc cepe ceph cepp chce chch chci chcp chec chee cheh chep chic chie chih chip chpp cicc cich cici ciee ciii cipp cpce cpep cpic eccc ecce ecci eche ecip ecpp eeee ehcc eheh eich eiec eiei epcc epch epci epec epee eph- ephi epi- epic epie epip eppc eppp h-ii hccc hcch hchi hcpc hech heep hehe heic heie heih hepc hepe hepi hepp hhhh hhip hhpc hi-c hicc hice hich hicp hiei hihc hihe hihi hiie hipc hipe hipp hpcc hppe iccc icci iccp icec icee ichc iche ichi icpc iecc ieie ihcc ihep iiie iiii ipcc ipce ipec iphc ipie ippc pccc pcce pcep pchp pcip pcpp pece pech peci peec peep pehe peip pepe pepi phcc phe- phi- phip picc pice pich pici piep piip pipe pipi pipp ppcc ppci pphi ppic ppie ppih pppp