c-p-c ccccc cech ceche ceere cerc- cerce cerec cerer cerre chech cheep cheer chehr chepe chere cherp cheru cheue chher chueh chupe chupp chur- chure churr churu cphpc crece creep creer crepe crepu creu- creue creup cruce crupe crure cuche cueup cuper cupr- curce curch curer curre curup eccup eeeee eepee eperc epher epheu epure erech erere eucre eurre he-he heche hecup heepe heere heper herce herre herur heuch heuer heure hhhhh hrere hrrep hu-pe hucch huche huere huhuh hupeh huppe hureh hurre hurup huuru p-rep peche peece peere pepee peppe pepup perce perch perec perer perre peruc perur peuce peure phccc phecc pheer phere prece pruce puech puppe purce puree pureh purer purre re-up recce recep reche recue recur reece reech reepe reere reerh reher rehue repec reppe rere- reree reuer rhppc rucer ruche ruere rupee ruper rurec u-cee uchee ucheh uchuu uh-ee uh-uh uhecr uhhuh uhuru upc-e upher upper urech uruce urucu urupe uuuuu