c-p-c ccccc cech ceche ceere cerc- cerce cerec cerer cerke cerre chech check cheek cheep cheer chehr chekc cheke chepe chere cherp chher cphpc crece creek creep creer creke crepe ecker eecke eeeee eepee eheke ekker eperc epher erech erere erkec he-he heche hecke heepe heere heker hekk- heper herce herek herke herre hhhhh hkcee hrere hrrep k-p-r kecer keche keech keepe keere kehek kekec keppe kerch kerek kerep kerre kheer kreek kreep kreke krepe p-rep peche pecke peece peeke peere pekre pepee peppe perce perch perec perer perke perre phccc phecc pheer phere pre-k prece preke prkce prkch recce recep reche recke reece reech reepe reere reerh reher rekke repec reppe rere- reree rhppc