c-cor c-p-c c-pop ccccc ccrcl cctrl cfour clcff cloff cloof cloop cloor cloot clort clour clout cluff clurr clutt co-co co-op cocc- cocco cocol cocto cocur cofur coll- collo colo- colop color colp- colpo colup colur coolo coopt coppo copr- copro copto copur coput corfo corfu corlu coro- corol corop corot corrl corto cott- cotto cottu cotul couco coull coult courl court couru couto coutu cpcfc cpctc croco croft croll crool croop croot cropc cropo crott croul croup crout cruft crull cruor ctcfl ctrlc ctrol ctulu cullu culot culto culur cuoco cupof cupr- cupro cupul curll curlo curlu curro curto curup cutco cutcu cutro cutto cutup flocc floop floor floro floru floto flour flout fluff fluo- fluor flurr flurt folco follo forro forto forur fotur fouro fprot frcpc froop froot froup fruct fruto ftrtt fu-fu fuco- fulco fullf fullo fulop fulup fuoco furo- furor futop futur l-pop loco- locro lofou lollo lolol looft loopt lopou lorup lorut lotof lotor lotru lotto louro ltcol lucur luluc lulul lupul lurup lutol lutto occur ocftc ocllo octo- octol octor ocul- oculo offof offto ofoto ofour ofpop ollup ollur olotu olour ooooo oploo oplot oppol opto- optot optto orcop orfor orful orlop oroco orolu orout ortoo oruro orutu otolo ototo otour otpor ottur otulu oullo ouoro ourol outof outro outto pctct pforp ploop ploot plopp plopu plott plout pluff 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 potof potoo potop potor potro potto pottu pouff poulp poult proff proft proll prolo proof proor proot prop- propl propp propr propt prot- proto prout prtor ptprc ptprf 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 rofor rolfo rollc rollo rooft rotfl roto- rotol rotor rotot rotto roull routt rprop rptor rucul ruffo rufo- rufol rullo rutul ruutu t-pop t-top tocco toco- tocut toffo tofol tofop tofor tollo toloo tolor tolu- toolt topcu toplo topo- topof topol topor topot toppo topto topup torpo torro torto tortu torul toto- totoo totop totup toull touro tprot troco troff troft troll troop trop- tropo trott troul troup trout truco truff trull trupt truro ttttt tuctu tulfo tulor tulou tuotu tupou turco turoc turot turro turtu turul turup turut tutor tutto tuuru u-pop ufofu ulcot ullur uloop ulpur ultop ululu uluru upcot upcut upfor upoff upolo upolu upput uptop urour urtlu urucu urutu utro- utrop utror uttur uturu ututo uuuuu