c-- ccc ccd cco ccr ccu cdc cdd cdo cdr cdu co- coc cod coo cor cou crc crd cro crr cru cuc cud cuo cur cuu dcc dcd dco dcr dcu ddc ddd ddo ddr ddu doc dod doo dor dou drc drd dro drr dru duc dud duo dur oc- occ ocd oco ocr ocu odc odd odo odr odu oo- ooc ood ooo oor or- orc ord oro orr oru ou- ouc oud ouo our rcc rcd rco rcr rcu rdc rdd rdo rdr rdu roc rod roo ror rou rrc rrd rrr rru ruc rud ruo rur ruu ucc ucd uco ucr ucu udc udd udo udr udu uoc uod uoo uor ur- urc urd uro urr uru uuc uur uuu

c-cd cccc cccu ccdc ccdr ccoc ccod ccrc ccuc cd-r cddr coco cocu codd cood cor- corc cord coro corr coud cour crcc crcr crdc croc crod croo cror crud cucc curd curo curr dccc dccu dddd ddoc ddrc doco docu dod- dodd dodo dood door dorc dord doro dorr doru douc doud dour drod drou druu duco dudd dudo dudu duo- duro duru duur occc ocro ocrr ocur oddd odoo odor odou odur oocr oooo oord orco ordo ordu oro- oror orro oucc oudc our- ouro ouu- rccc rcdc rcrd rdoc rocc roco rodd rodo rood roor rorc roro roru roud rrrr rudd rudo rurc rurd ruro ruru ruud ucdc ucdd ucrc udoo uocc uor- urdu uro- uroo urur uuoc uuuu

c-cor ccccc co-co cocc- cocco cocur codco codo codru coord coro- corod couco courd couru croco crodo crood crudo cruor cuoco curro d-cru d-rod ddddd do-do dodoo dodro doodo dorud douro drood ducor duddo dudou duduc duroc occur oddur odour odudu oduro ooooo ordoc ordro orduc oroco orodo oruro ouoro r-co- ro-ro rocco rocor rocou rodoc rodor roodu urour urucu uuuuu

cocco- cococo coocoo coodoo corour coruco coruro courr- crocco cruro- curour curror cururo dododo dorood dororo doudou dourou occour oooooo oordoo ordoru orrour rococo roucou rudrur ruocco

cooccur corrour cou-cou dododou doo-doo dourdou rococco urocord

co-occur cocoroco corocoro cucurucu curucucu

couroucou ddddddddd roocoocoo

rococococo

ccccccccccccccc doodoodoodoodoo