cccc ccnc ccnr ccny ccoc ccrc ckck ckco ckcy cknc ckoc ckoo ckor ckoy ckrc ckry cnco cnnz cnrc cnrr cock coco cok- coko coky con- conc conk conn cono cony cook coon cor- corc cork corn coro corr cory coyn coyo coyr cozy cozz crcc crcr crcz crkc croc crok cron croo cror croy croz cry- cryn cryo cryz cyc- cycc cyn- cyno cyon cyrk cyy- cyyc cyyn czon czyz kccc kcck kccr kccy kckc kckk kckn kcko kckr kcky kckz kcno kcnr kcny kcnz kcon kcor kcoz kcrc kcrn kcro kcrr kcry kcrz kcyk kcyn kcyy kcyz kczo kczz kkck kkcn kkco kkcr kkcy kkkk kknn kkno kkon kkoo kkor kkoy kkoz kkrc kkrk kkrn kkro kkrr kkrz kkyc kkyy kkyz kkzn kkzy kkzz knck kncn knco kncr kncy knkk knnk knnr knnz knoc knok knon knor knoz knrk knro knry knyk knyn knyr knz knzr knzz kock kocn kokc kokk kokn koko kokr koky kokz konc konk kono kony konz kooc kook koon kooo koor kooz korc kork korn koro korr koyn koyo koyy kozk kozn kozo kozr kozy krcc krcn krco krkc krkk krkn krko krkr krky krkz krnk krnn krno krny kroc krok kroo kror kroy kroz krrc krrk krrn krro krrr krry krrz kryk kryn kryo kryy krzk krzn krzr krzy krzz kycc kyck kycn kycr kykc kykk kykn kykr kyky kykz kyno kynr kynz kyok kyon kyoo kyor kyoy kyrc kyrk kyrn kyro kyyk kyyo kyyy kyyz kyzk kyzz kzcr kzkr kzky kzkz kznc kznk kznn kzno kzon kzoo kzor kzoy kzoz kzrc kzrk kzro kzrr kzrz kzyr kzzk kzzn kzzo kzzr kzzy kzzz nccc nccn nccr ncnc ncoc ncor ncrc nkok nkor nnnn nock noco noko non- nonn nono noo- nook noon nooo noor nor- norc nork norn noro norr nory noyo noyz nroc nron nrrc nycc nyco nycy nyko nyny nyon nyro nzcc occc occn ocon ocro ocrr okko okno okny okok okon okor okro okyo onc- onco onno onon onor onoy onoz onzo onzy oocr ooky oooo oory oozy orco orko ornc orno orny oro- orok oron oror oroy oroz orro orry orzk orzo oyon ozon ozzy rccc rcnr rcon rcyc rnco rocc rock roco rokk roko rokr roky ronc ronk rono rony rook roon roor rooz rorc rork roro rory royn rozz rrrr ryck rynn ryon yccc ykko ynon yock yoko yoky yonk yono yook yoon yooz york yorn yoro yory yoyn yoyo yozo yron yryn yyyy z-ro zoco zon- zonk zony zoo- zook zoon zorc zork zorn zoro zory zozo zzzz