c-cor c-p-c c-pop ccccc choco choop choor chopt chor- choro chort chott co-co co-op cocc- cocco cocto cohoo cooch coopt cooth coppo copr- copro copto coro- corop corot corto cotch cott- cotto cpctc cphpc croco croop croot cropc cropo croth crott h-cho h-tcp hcooh hhhhh ho-ho ho-oh hocco hohot hooch hoort hoppo hopto horch horro horth horto hotch hothr hotot hotto hroch hropt hthrt httpr ochro octo- octor oh-oh ohchr ohrot ooooh ooooo opoho opto- optot optto orcop oroch oroco orth- ortho ortoo ototo otpor pctct phccc phot- photo phpht phrop phtpp po-po pocho pocop pooch poopo poort popco popop poppo porch porco poro- porro porth porto potch potco potoc potoo potop potor potro potto prcht proch proor proot prop- propp propr propt prot- proto prtor ptprc ptprh ptpro ptprr ptprt r-co- rhppc ro-ro rocco rocht rocor rotch rotho roto- rotor rotot rotto rprop rptor t-pop t-top thoch thoro thorp thorr thort thoth throo throp throt thttp to-ho tocco toco- tohot tooth topo- topor topot toppo topto torch torht torpo torro torto toto- totoo totop tprot troch troco troop trop- tropo troth trott ttttt