c-cor c-p-c c-pop ccccc ccrcl cctrl cloop cloor cloot clort clour clout clurr clutt co-co co-op cocc- cocco cocol cocto cocur coll- collo colo- colop color colp- colpo colup colur coolo coopt coppo copr- copro copto copur coput corlu coro- corol corop corot corrl corto cott- cotto cottu cotul couco coull coult courl court couru couto coutu cpctc croco croll crool croop croot cropc cropo crott croul croup crout crull cruor ctrlc ctrol ctulu cullu culot culto culur cuoco cupr- cupro cupul curll curlo curlu curro curto curup cutco cutcu cutro cutto cutup l-pop loco- locro lollo lolol loopt lopou lorup lorut lotor lotru lotto louro ltcol lucur luluc lulul lupul lurup lutol lutto occur ocllo octo- octol octor ocul- oculo ollup ollur olotu olour ooooo oploo oplot oppol opto- optot optto orcop orlop oroco orolu orout ortoo oruro orutu otolo ototo otour otpor ottur otulu oullo ouoro ourol outro outto pctct ploop ploot plopp plopu plott plout pluot plupp plut- pluto po-po pocol pocop polco pollo pollu polop polur polut poopo poort popco poplr popop poppo popup porco porcu poro- porro porto portu porur potco potoc potoo potop potor potro potto pottu poulp poult proll prolo proor proot prop- propl propp propr propt prot- proto prout prtor ptprc ptpro ptprr ptprt ptpru pull- pullu pulut puppo puro- purul putco putor putt- putto puttu putuo putup r-co- rcolo ro-ro rocco rocor rocou rollc rollo roto- rotol rotor rotot rotto roull routt rprop rptor rucul rullo rutul ruutu t-pop t-top tocco toco- tocut tollo toloo tolor tolu- toolt topcu toplo topo- topol topor topot toppo topto topup torpo torro torto tortu torul toto- totoo totop totup toull touro tprot troco troll troop trop- tropo trott troul troup trout truco trull trupt truro ttttt tuctu tulor tulou tuotu tupou turco turoc turot turro turtu turul turup turut tutor tutto tuuru u-pop ulcot ullur uloop ulpur ultop ululu uluru upcot upcut upolo upolu upput uptop urour urtlu urucu urutu utro- utrop utror uttur uturu ututo uuuuu