-ous c-cd cccc cccs cccu ccdc ccdr ccds ccoc ccod ccrc ccrs ccsd ccss ccuc ccus cd-r cdcs cddr cdos cdrs cdss coco cocu codd cods cood coos cor- corc cord coro corr cors cosc coso coss coud cour cous crcc crcr crdc croc crod croo cror crss crud crus cscc cscd csco cscr cscs csdr csor csos csrc csrd csrs cssd cssr csur csus cucc cuds curd curo curr curs cusd cuso cuss cusu dccc dccs dccu dcds dcos dcsc dcss dddd ddoc ddrc ddss doco docs docu dod- dodd dodo dods dood door doos dorc dord doro dorr dors doru doso doss douc doud dour dous drod drou drrs drus druu dscc dscr dscs dsdr dsos dsrc dsrr dssc duco ducs dudd dudo duds dudu duo- duos duro duru duur occc ocds ocos ocro ocrr ocrs ocur oddd odds odoo odor odos odou odso odur odus oocr oooo ooos oord oous orco orcs ordo ords ordu oro- oror oros orro orrs orso orsu orus oscc osco osoo osor osos osrd osro ossd osso ossu oucc oudc ouds our- ouro ours ousd ouu- rccc rccs rcdc rcds rcos rcrd rcsc rcsd rcss rdoc rdos rdso rocc roco rocs rodd rodo rods rood roor roos rorc roro roru rosc roso ross roud rous rrrr rscc rscs rsdd rsds rsos rudd rudo ruds rurc rurd ruro rurs ruru ruso russ rusu ruud s-os sccc sccs scdc scds scoo scor scr- scrc scrs scsc scsd scso scsr scsu scud scur sdcc sdco sddc sdds sdrc sdrs sdsc sdss sdsu soco socr socs sodd sodo sods sodu sood soor soos sord soro sorr sors soru soso soss soud sour sous srcc sros srsd sscc sscs ssdc ssdd ssoc ssrc ssrs sssc ssss suc- succ sucr sucs sudd sudo suds suor suos sur- surc surd suro surr surs suru sus- susd suso suss susu suus ucdc ucdd ucos ucrc ucsc ucsd ucsu udds udoo udos udsd uocc uor- urds urdu uro- uroo urso urss ursu urur urus uscc usco uscs usdc usdo usds usoc usos ussc ussr usss ussu usus uuoc uuuu