c-- ccc cco ccr ccu co- coc coo coq cor cou cqc cqo crc cro crq crr cru cuc cuo cuq cur cuu oc- occ oco ocr ocu oo- ooc ooo oor oqo or- orc oro orr oru ou- ouc ouo our qcc qco qoo qor qqq qqu qrc qru qu- quo qur rcc rco rcr rcu roc roo ror rou rqc rrc rrq rrr rru ruc ruo rur ruu ucc uco ucr ucu uoc uoo uor ur- urc uro urr uru uuc uur uuu

cccc cccu ccoc ccrc ccuc coco cocu cor- corc coro corr cour crcc crcr croc croo cror cucc cucq curo curr occc ocro ocrr ocur oocr oooo orco oro- oror orro oucc our- ouro ouu- qqqq qucu quoc quor quro quu- rccc rocc roco roor rorc roro roru rrrr rurc ruro ruru ucrc uocc uor- uqcc uro- uroo uruq urur uuoc uuuu

c-cor ccccc co-co cocc- cocco cocur coquo coro- couco couru croco crocq crucq cruor cuoco curro occur ooooo oroco oruro ouoro ourcq qoroq qoruq quruq r-co- ro-ro rocco rocor rocou rucuq uqcrq urour urucu uuuuu

cocco- cococo coocoo corour coruco coruro courr- crocco cruro- curour curror cururo occour oooooo orrour qorqor rococo roucou ruocco

cooccur corrour cou-cou rococco

co-occur cocoroco corocoro cucurucu curucucu

couroucou roocoocoo

rococococo

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