c-cor c-p-c c-pop ccccc co-co co-op cocc- cocco cockt cocto cokk- cokot cookt coopt coppo copr- copro copto coro- corop corot corto cott- cotto cpctc crock croco crokt crook croop croot cropc cropo crott k-p-r k-pop ko-ko kokko kokor kokot korck korop koror korpo korro kotor kotto krock kroot kropp krtok ockro octo- octor okoc okoro ooooo opto- optot optto orcop oroco ortok ortoo ototo otpor otrok pcock pctct po-po pocko pocok pocop pokot poopo poork poort popco popop poppo porco poro- porro porto potco potoc potok potoo potop potor potrk potro potto prock proor proot prop- propp propr propt prot- proto prtor ptprc ptprk ptpro ptprr ptprt r-co- ro-ro rocco rocko rocor rokkk rokot rokto rotko roto- rotor rotot rotto rprop rptor rt-rk t-pop t-top tocco toco- tokko toko- tokor topo- topor topot toppo topto torok torpo torro torto toto- totok totoo totop tprot trock troco troop trop- tropo trott ttttt