cccc cccu ccgc ccnc ccnr ccnu ccoc ccrc ccrg ccuc cgcc cgcg cgro cnco cnnz cnrc cnrr coco cocu cogo con- conc cong conn cono coon cor- corc corg corn coro corr coun cour cozz crcc crcr crcz croc cron croo cror croz crug crun cruz cucc cucn cuno cuon curn curo curr cuzo czon gc-c gccc gcrg gggg ggrn gncc gngc gnoo gnrc gnrr gocr gogo gon- gong gonn gono gonu goog goon goor gorg gorn goro gorr gorz gou- goug goun gour gozo gozu grcc groc grog gron groo gror grou grrr grug grun grur gruz gugg gugu gung gunn gunz gurg gurn guro gurr guru nccc nccn nccr nccu ncgr ncnc ncoc ncor ncrc ngon ngor ngou ngur nguu nngn nnnn noco nogg nogo non- nong nonn nono nonu noo- noon nooo noor nor- norc norg norn noro norr noun nour nroc nron nrrc nucu nunc nung nunn nuno nuoc nuon nurc nurn nurr nuru nzcc occc occn ocon ocro ocrr ocur ogog ogon ogou ogro ogun oguz onc- onco ongo ongu onno onon onor onoz onur onzo oocr oooo orco orgn orgo ornc orno oro- oron oror oroz orro orzo orzu oucc oun- oung our- ourn ouro ouu- ouzo ozgu ozon ozun rccc rcgc rcnr rcon rcrg rnco rocc roco rogg rogo ronc rong rono roog roon roor rooz rorc roro roru roun rouz rozz rrrr rrun rugg runc rung runn runo rurc ruro ruru ruun ucon ucoz ucrc ugcc ugcg uggo ugro ugur uguu uncc uncg unco ungo ungu unno unon unro unuz uocc uor- urgu uro- uroo urun urur uruz uuno uuoc uuuu uzon uzun z-ro zgon znng zoco zogg zogo zon- zong zoo- zoon zorc zorg zorn zoro zouc zoug zozo zozu zunz zuoz zurn zurr zuru zuun zuzu zzzz