b-u bbb bbc bbh bbo bbr bbu bcb bcc bch bco bcr bcu bhb bhc bhh bho bhr bhu bob boc boh boo bor bou brb brh bro brr bru bub buc buh buo bur buu c-- cbb cbc cbh cbo cbr cbu ccb ccc cch cco ccr ccu ch- chb chc chh cho chr chu co- cob coc coh coo cor cou crb crc crh cro crr cru cub cuc cuh cuo cur cuu hbb hbc hbh hbo hbr hbu hcb hcc hch hco hcr hhb hhc hhh hho hhr hhu hob hoc hoh hoo hor hou hr- hrb hrc hrh hro hrr hru hub huc huh huo hur huu ob- obb obc obh obo obr obu oc- ocb occ och oco ocr ocu ohc ohh oho ohr ohu oo- oob ooc ooh ooo oor or- orb orc orh oro orr oru ou- ouc ouh ouo our rbb rbc rbh rbo rbr rbu rcb rcc rch rco rcr rcu rh- rhb rhc rhh rho rhr rhu rob roc roh roo ror rou rrb rrc rrh rrr rru rub ruc ruh ruo rur ruu ubb ubc ubh ubo ubr ubu ucb ucc uch uco ucr ucu uhb uhc uhh uho uhr uhu uob uoc uoo uor ur- urb urc uro urr uru uuc uur uuu

-hou bbbb bbch bbrc bcbc bccc bcor bcru bcuc bhcc bhor bhur bhuu bobb bobo bobu boch boco bocu boho bohr bohu boob booc booh boor bor- borh boro borr boru bouh bour brcb brob broc broh broo bror brou brrr bruc bruh bubb bubo bubu bucc buch buco bucu buho buhr bur- burb burh buro burr buru c-bo cbbc cbcc cbcr cbcu cbrh ccbc cccb cccc cccu cchr ccob ccoc ccrc ccuc chch choc choh choo chor chou chrb chrc chro chrr chub chur cobb cobh cobo cobu coch coco cocu coho coob cooh cor- corb corc coro corr coub cour crbc crbu crcc crcr crob croc croh croo cror crub cub- cubb cucc curb curo curr hboc hcbc hccb hccc hcch hhhh hobo hoch hocr hoho hoor horc horo horr hour hrob hrrc hubb hubo huch hucu huhu huor huro hurr huru huub obbo obor obrh obro obuh ocbc occc ocro ocrr ocur ohcc ohho ohob ohoh oocr ooho oooh oooo orbb orbo orbu orch orco oro- oror orro orub oucc ouch our- ouro ouu- rbbb rbbr rboh rcbc rcbo rccb rccc rchb rhob rhoc rhoh rob- robb robo robu rocc roch roco rohr rohu roob roor rorc roro roru roub rouh rrrr rubb rubu ruch ruhh ruhr rurc ruro ruru ubbo uboc ucbc ucho ucrc uhoh uhuh uocc uor- urch urho uro- uroo urrh urur uuoc uuuu

bhour bo-bo bo-ho boboc bobr bocho bocor bohor booch booco booru borbo borch boro- boroo borou borro bouch brobo broch brrrr bruch bucco bucho buchu bucur buoch buoho burch burcu buroo burro burru buruc c-cor ccccc choco choor chor- choro chubb chur- churr churu co-bo co-co cocc- cocco cocur cohob cohoo cooch corbo corbu coro- couch couco courb couru croco cruor cubo- cubub cuoco curch curro h-cho hcooh hhhhh hhour ho-ho ho-oh hobor hobro hobub hocco hooch horch horro horru houch hourc hroch hubur hucch hucho huhuh huuru o-r-b obhor oboro occur ochro ocr-b oh-oh ohchr ohour ohrob ooooh ooooo orobo oroch oroco oruch oruro oucho ouoro r-co- ro-ro robbo robo- robor robur rocco rocor rocou rohob rohru rorbu rouch rubor ruhub ubobo uchuu uh-oh uh-uh uhhoh uhhuh uhuru uroob urour urubu urucu uuuuu

bbbbbb bhurch bo-hoo boccob bochco bochor bochur booboo boohoo borbor bororo boruch boubou bourou brocco brocho brocor brooch brouch brubru bububu bucco- buchch burbur burhou chocho chooch choro- chorro chorur chucho chuchu chuo church churro cobbob cocco- cococo coocoo corour coruco coruro courbu courr- crocco crochu crooch crouch cruro- cucurb curour curror cururo h-hour hocooh hocour hohoho hoohoo hooroo hororo horror hubbub hububb huh-uh hurroo occour ocho ochro- ohohoh oohooh oooooo orrho- orrour rochor rococo roucou rubro- ruhroh ruocco uh-huh urhobo

bbbbbbb boo-boo boo-hoo bourrou chocobo choho choruru choucho chuchur churchu chururu cochour cooccur corrour cou-cou cuchuco hoo-hoo horrour hub-bub hur-bur oroboro rococco rubbour ruh-roh ububboo

bbbbbbbb bo-bo-bo broubrou buruburu choochoo chouchou chu-chou co-occur cocoroco corocoro cucurucu curucucu hococooh horohoro hubbuboo hurr-bur ohboohoo ubbubboo uh-uh-uh

borborbor choo-choo chorrocho couroucou cucurucho hurr-burr roocoocoo

rococococo

hocochchcooh ooohooohoooh

bbbbbbbbbbbbbbb ccccccccccccccc

hhhhhhhhhhhhhhhhhhhhh

hohohohohohohohohohohohohohohohohohohohoho