-ic b-u bbb bbc bbi bbo bbr bbu bcb bcc bci bco bcr bcu bi- bib bic bii bio bir biu bob boc boi boo bor bou brb bri bro brr bru bub buc bui buo bur buu c-- cbb cbc cbi cbo cbr cbu ccb ccc cci cco ccr ccu ci- cib cic cii cio cir ciu co- cob coc coi coo cor cou crb crc cri cro crr cru cub cuc cui cuo cur cuu ibb ibc ibi ibo ibr ibu icb icc ici ico icr icu iib iic iii iio iir iiu io- iob ioc ioi ioo ior iou ir- irb irc iri iro irr iru iu- iub iuc iui iur o-i ob- obb obc obi obo obr obu oc- ocb occ oci oco ocr ocu oib oic oii oio oir oiu oo- oob ooc ooi ooo oor or- orb orc ori oro orr oru ou- ouc oui ouo our rbb rbc rbi rbo rbr rbu rcb rcc rci rco rcr rcu rib ric rii rio rir rob roc roi roo ror rou rrb rrc rri rrr rru rub ruc rui ruo rur ruu ubb ubc ubi ubo ubr ubu ucb ucc uci uco ucr ucu uib uic uii uio uir uiu uob uoc uoo uor ur- urb urc uri uro urr uru uuc uur uuu

bbbb bbci bbrc bcbc bccc bcci bcor bcru bcuc bibb bibi bibo bicc bici bico bio- bioc bioi biou birb biri biro birr biru bobb bobi bobo bobu boco bocu boi- boii boiu boob booc boor bor- bori boro borr boru bour brcb bric brio brob broc broo bror brou brrr bruc bubb bubi bubo bubu bucc buci buco bucu buic buir buiu bur- burb buri buro burr buru c-bo cbbc cbcc cbcr cbcu cbir ccbc cccb cccc ccci cccu ccic ccii ccir ccob ccoc ccrc ccri ccuc cibc cibi cibo cicc cici cico cicr cicu ciii ciob cior cirb circ ciri ciro cirr ciuc cobb cobi cobo cobu coco cocu coir coob cor- corb corc cori coro corr coub cour crbc crbu crcc crcr crib cric criu crob croc croo cror crub cub- cubb cubi cucc cuci cui- cuir curb curi curo curr ibrc ibri ibro icbc iccb iccc icci icco iccr iccu icoc icor icrc icrr icru icub iiii iiio iioi iioo iirc iiuc iobi ioci ioii ioio iooi iooo iori ircc ircu iri- iric irio irob iroc irrc irri iucc iuiu obbo oboi obor obri obro ocbc occc occi ocro ocrr ocur oici oiii oobi oocr oooo orbb orbi orbo orbu orci orco ori- oric orio oro- oror orri orro orub oucc ouii ouir our- ouro ouu- rbbb rbbr rcbc rcbo rccb rccc rcic rib- ribo ribu ricc rico riou riri rob- robb robi robo robu rocc roco roio roir roiu roob rooi roor rorc rori roro roru roub rrrr rubb rubi rubu ruci rurc ruri ruro ruru ubbi ubbo ubic ubii ubir uboc ucbc ucci ucio ucrc uirr uocc uor- urbi urci urib uric uriu uro- uroo urri urur uuoc uuri uuuu

bibbo bibic bibio bibri bioci bioco biroc birou birur bo-bo bobbi boboc bobr bobri bocci bocor boiro booco booru borbo borci boric borio boro- boroo borou borro bouri brico briou brobo brrrr bruiu bruri bucci bucco bucic bucur buici burcu buric burio buroo burri burro burru buruc c-cor ccccc cccii cciii cibir circo ciric cirio cirr- cirri cirro co-bo co-co cocc- cocci cocco cocio cocir cociu cocur coiro corbi corbo corbu corio coro- coroi corri couco courb couri couru cribb cribo crio- croci croco cruor cubi- cubic cubo- cubub cucui cuoco curbi curic curio curri curro ibbur ibibo icbrr icici iiiii ioooi ioooo iorio ircii irico irobo irori irour o-r-b oboro occii occur ocr-b ooioo ooooo orbic oribi orobo oroco oruro ouir- ouoro ouric r-co- rcirc ribbi ribo- ricci ricco ro-ro robbi robbo robic robo- robor robur rocco rocio rociu rocor rocou rorbu roric rubbi rubio rubor rucci ruiru ruric ubirr ubobo ucoii uiro urbic uric- uroob urour urric urubu urucu ururi uuuuu

bbbbbb bibiri bibiru bicioc biobor bircii biribi birori bobbio bobiri boboci boccob bocoio booboo borbor bororo boubou bourou bribir bribri brocco brocor brubru bubbio bububu bucco- bucici burbur burior buriro burrio bururi cibiru ciboir cicuco ciocci cirici ciroc cirri- cirro- cirroc ciucci cobbob cobric cocci- cocco- cococo coocoo corbio corcir corour corrib coruco coruro courbu couric courr- crico- criour crocco cruro- cuccio cucici cucurb cui-ui curcic curcio curico curour curror cururo ibibio ibicui iiooio irrour oborci occour oooooo orobii orrico orrour ouioui ribici robbio rococo rocroi roucou rubric rubro- rucici ruocco uburoi urico- urucui

bbbbbbb bibroci bicubic biobio boo-boo borrico bourrou bricriu brocciu broucci cibubur cocori cooccur coriour coroico corrour cou-cou cri-cri cubrici curucui iricici oroboro ribocco robiboo rococco rubbour ububboo uriburu urubici urucuri

bbbbbbbb bo-bo-bo broubrou burriour buruburu co-occur cocorico cocoroco corbucci corocoro cucurucu curucucu i-ii-iii iooooooo ouricuri ribibour riroriro roborior ubbubboo uroboric

biro-biro borborbor cioburciu couroucou ouroboric ouroboroi roocoocoo

cubo-cubic rococococo

bobbi-bobbi

bbbbbbbbbbbbbbb ccccccccccccccc ioooooooooooooo