b-u bbb bbc bbo bbq bbr bbu bcb bcc bco bcq bcr bcu bob boc boo boq bor bou bqc brb bro brq brr bru bub buc buo bur buu c-- cbb cbc cbo cbq cbr cbu ccb ccc cco ccr ccu co- cob coc coo coq cor cou cqb cqc cqo crb crc cro crq crr cru cub cuc cuo cuq cur cuu ob- obb obc obo obr obu oc- ocb occ oco ocr ocu oo- oob ooc ooo oor oqb oqo or- orb orc oro orr oru ou- ouc ouo our qbc qbq qcc qco qoo qor qqq qqu qrb qrc qru qu- quo qur rbb rbc rbo rbr rbu rcb rcc rco rcr rcu rob roc roo ror rou rqc rrb rrc rrq rrr rru rub ruc ruo rur ruu ubb ubc ubo ubr ubu ucb ucc uco ucr ucu uob uoc uoo uor ur- urb urc uro urr uru uuc uur uuu

bbbb bbbq bbrc bcbc bccc bcor bcru bcuc bobb bobo bobu boco bocq bocu boob booc boor bor- boro borr boru bour brcb brob broc broo bror brou brrr bruc bubb bubo bubq bubu bucc buco bucu bur- burb buro burr buru c-bo cbbc cbcc cbcr cbcu cboq ccbc cccb cccc cccu ccob ccoc ccrc ccuc cobb cobo cobu coco cocu coob cor- corb corc coro corr coub cour crbc crbu crcc crcr crob croc croo cror crub cub- cubb cucc cucq curb curo curr obbo oboq obor obro ocbc occc ocro ocrr ocur oocr oooo orbb orbo orbu orco oro- oror orro orub oucc our- ouro ouu- qobu qoob qqqq qubo qucu quob quoc quor quro quu- rbbb rbbr rcbc rcbo rccb rccc rob- robb robo robu rocc roco roob roor rorc roro roru roub rrrr rubb rubu rurc ruro ruru ubbo uboc ucbc ucrc uocc uor- uqcc uro- uroo uruq urur uuoc uuuu

bo-bo boboc bobr bocor booco booru borbo boro- boroo borou borro boucq brobo brrrr bucco bucur burcu buroo burro burru buruc buruq c-cor ccccc co-bo co-co cocc- cocco cocur coquo corbo corbu coro- couco courb couru croco crocq crucq cruor cubo- cubub cuoco curro o-r-b oboro occur ocr-b ooooo orobo oroco oruro ouoro ourcq qorcu qoroq qoruq quobb quruq r-co- ro-ro robbo robo- robor robur rocco rocor rocou rorbu rubor rucuq ubobo uqcrb uqcrq uroob urour urubu urucu uuuuu

bbbbbb bbqrub boccob booboo borbor bororo boubou bourou brocco brocor brubru bububu bucco- burbur cobbob cocco- cococo coocoo corour coruco coruro courbu courr- crocco cruro- cucurb curour curror cururo occour oooooo orrour qorqor rococo roucou rubro- ruocco

bbbbbbb boo-boo bourrou cooccur corrour cou-cou oroboro rococco rubbour ububboo

bbbbbbbb bo-bo-bo broubrou buruburu co-occur cocoroco corocoro cucurucu curucucu ubbubboo

borborbor couroucou roocoocoo

rococococo

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