ruhr rull rulo rurc ruro ruru ubbo ublo uboc ucbc ucfb ucho ucrc ufcu uhcl uhoh uhuh ulbc ulcc ulch ulco ullo ullr ulo- uloc ulul uocc uofl uofo uolc uor- urch urff urho uro- urol uroo urrh urur uulu uuoc uuuu

bholu bhool bhour bloch bloor blorb bluff blufr blurb blurr bo-bo bo-ho boboc bobr bocho bocor boffo bohol bohor bolho boll- bollo bollu booch booco booru borbo borch boro- boroo borou borro borul bouch boul- boulc boulo brloh brobo broch brohl broll brolo brool brrrr bruch bruff bruhl brull bucco bucho buchu bucur buffo bulb- bulch bull- bulou bulul buoch buoho burch burcu burol buroo burro burru buruc c-cor ccccc ccrcl cfhof cfour chlor chlou choco choff chol- choll cholo choof choor chor- chorl choro chubb chuff chull chulo chur- churl churr churu chuul clcff cloch cloff cloob cloof cloor clour clubb cluff clurr co-bo co-co cobol cocc- cocco cochl cocol cocur cofur cohob cohol cohoo colch coll- collo colo- color colur cooch coolo corbo corbu corfo corfu corlu coro- corol corrl couch couco coull courb courl couru croco croll crool croul crull cruor cubo- cubub culch cullu culur cuoco curch curll curlo curlu curro flocc floch flohr floor floro floru flouh flour fluff fluo- fluor flurb flurr folch folco follo forch forro foruh forur fouch fourb fourh fouro fu-fu fuchu fuco- fulco fullf fullo fuoco furbo furch furo- furor h-cho hcooh hhhhh hhour ho-ho ho-oh hobol hobor hobro hobub hocco hofuf hoful hohol holbr hollo holo- holor holou holub holul hooch horch horol horro horru houch houff hourc hroch hrolf hubur hucch hucho hucul huhuh hulch hullo huolu hurll huuru lluch lobbo lobo- lobor locho loco- locro lofou lohho lohur lollo lolol loobu looch lorch louch louro lubur luchu lucur luluc lulul lurch o-r-b obhor obolo oboro occur ochl- ochro ocllo ocr-b ocul- oculo offof ofour oh-oh ohchr ohfoo ohour ohrob ollur olour ooooh ooooo orfor orful orobo oroch oroco orolu oruch oruro oucho oullo ouoro ourol r-co- rcolo ro-ro robbo robo- robor robur rocco rocor rocou rofor rohff rohob rohru rolfo rollc rollo rorbu rouch roull rubof rubor rucul ruffo rufo- rufol ruhub rullo ubobo uchuu ufofu uforb uh-oh uh-uh uhhoh uhhuh uhuru ullur ululu uluru uroob urour urubu urucu uuuuu

b-roll bbbbbb bhurch blubbo blublu bo-hoo bobfoc boccob bochco bochor bochur bocull bolbol bolbro bolhur bolobo boloco bololo booboo boohoo borbor bororo boruch boubou bouloc boulou bourou brocco brocho brocor brooch brouch brubru bububu bucco- buchch bucloc buffol bufolo buholo bulbo- bulbul bullou bulolo burbur burhou burolo chlor- chloro chocho cholo- chooch chorlu choro- chorol chorro chorul chorur chucho chuchu chuff- chullo chuluo chuluu chuo church churro churul clooch clouch cobbob cocco- cococo cocolo cocool collo- collor color- colour coocoo coolor corflu corolu corour coruco coruro coulor coulro coulur courbu courol courr- crocco crochu crooch crouch cruro- cucurb curfur curour curror cururo f-hour fhclub fluor- fluoro foboff foofoo foofur forhoo foufou four-h fourcc fourch fourof fourou frbroo frollo frucor fuchou fullof furfur furour furrfu h-hour hoblob hochul hocooh hocour hohloh hohoho holhol holloo holoor holour hoohoo hooroo hororo horror hubbub hububb huh-uh hulloo hullur huluhu hurroo l-hour lloro lobolo lohoch lohoof lolobo loloru looloo loulou lourlo lubbor luchob lufful lurulu occour ocho ochro- oculo- ohcool ohohoh olluco oohooh oooooo orloff orobol orrho- orrour robolo rochor rococo rocolo roflol roloff roucou rouful ruboff rubro- ruhroh ruocco ruurlo uh-huh ulloor ulluco ullucu urhobo

bbbbbbb bolocco boo-boo boo-hoo borculo borobul bouhlou bourrou buchhof buffolo bulloch ccullco chloro- chochol chocobo chocolo choho choruru choucho choulou chuchur chuloor churchu chururu cochour cocullo collour cooccur coolflo cooloff corbulo corrour cou-cou crucolo cubulco cuchuco cucullo fluoro- foo-foo forloff fou-fou furchur furrour hoo-hoo hoolulu horrour houhful houlour hub-bub hulchul hullour hulluch hur-bur looroll off-off offhour oroboro rococco rohloff rolloff rub-off rubbour ruh-roh ububboo ur-cool

bbbbbbbb bo-bo-bo bob-fool broubrou buhlbuhl bullhoof buruburu cholchol choochoo chouchou chu-chou co-occur cocobolo cocoloch cocoroco colocolo colorful coloroll cool-off corocoro coullour cucurucu curucucu fourbour froufrou furfurol hococooh holloch holoholo horbruch horohoro hubbuboo hurr-bur locofoco locoroco off-hour offcolor ohboohoo oolooloo roll-off roof-hub roulroul ubbubboo uh-uh-uh uluborlu

bolo-bolo borborbor choo-choo chorrocho churchful colo-colo colourful coolcolor couroucou cucurucho curb-roof fllllllll four-four fourcolor frou-frou hurr-burr loco-foco loco-loco off-color offchurch offcolour roocoocoo

colourfull cuccurullo four-color hfuhruhurr louholoubo off-colour rococococo

full-colour

hocochchcooh ooohooohoooh

bbbbbbbbbbbbbbb ccccccccccccccc

hhhhhhhhhhhhhhhhhhhhh

hohohohohohohohohohohohohohohohohohohohoho