bloor blorb blurb blurr bo-bo boboc bobr bocon bocor boll- bollo bollu bolno bolon bonon bonou booco boorn booru borbo born- borno bornu boro- boron boroo borou borro borul borun boul- boulc boulo bourn brobo broll brolo bronc bronn brool broon broun brrrr brull brunn bruno bruun bubon bucco bucur bulb- bull- bulou bulul bulun bunco bunun buono burcu burn- burol buron buroo burro burru buruc burun c-cor ccccc ccrcl cloob cloor clour clubb clurr cnnnn co-bo co-co cobol cocc- cocco cocol cocon cocur coll- collo colo- colon color colun colur concl conco concr connu cono- conob conon conor coolo corbo corbu corlu corno cornu coro- corol coron corrl corun couco coull courb courl couru croco croll crool croon croul croun crull cruor cubo- cubub cullu culur cunco cuoco curll curlo curlu curno curro l-ron lblnc lobbo lobo- lobon lobor loco- locon locro lollo lolol lonco loobu loron lorun louro lubno lubon lubun lubur lucun lucur luluc lulul lurun nnooo no-no nobob nobol nobuo non-u nonno noonu norbu norco noroc noron norro norun nu-nu nucor nullo nunon nunun nuoro nurlu nurun o-bon o-r-b oblon obolo oboro occur ocllo ocorn ocr-b ocul- oculo ollon ollur olour onco- oncol onnbc onoon onorn onour ooooo orcon orlon ornon orobo oroco orolu orono oruro oullo oulon oulun ouoro ourno ourol r-co- rcolo ro-ro robbo robo- robon robor robun robur rocco rocor rocou rollc rollo rolon ronco ronno rorbu roull rubon rubor rucul rullo rulon runcu runo- runon u-con ubobo uconn ullur ulno- ululu uluru uncol uncon uncor unnun unnur unoor unorn unrol unrun unurn uroob urour urubu urucu uuuuu