c-p-c c-pop ccccc cloop cloot clout clutt co-co co-op cocc- cocco cocol cocto coll- collo colo- colop colp- colpo colup coolo coopt coppo copto coput cott- cotto cottu cotul couco coull coult couto coutu cpctc ctulu cullu culot culto cuoco cupul cutco cutcu cutto cutup l-pop loco- lollo lolol loopt lopou lotto ltcol luluc lulul lupul lutol lutto ocllo octo- octol ocul- oculo ollup olotu ooooo oploo oplot oppol opto- optot optto otolo ototo otulu oullo outto pctct ploop ploot plopp plopu plott plout pluot plupp plut- pluto po-po pocol pocop polco pollo pollu polop polut poopo popco popop poppo popup potco potoc potoo potop potto pottu poulp poult pull- pullu pulut puppo putco putt- putto puttu putuo putup t-pop t-top tocco toco- tocut tollo toloo tolu- toolt topcu toplo topo- topol topot toppo topto topup toto- totoo totop totup toull ttttt tuctu tulou tuotu tupou tutto u-pop ulcot uloop ultop ululu upcot upcut upolo upolu upput uptop ututo uuuuu