c-cd cccc cccs cccu ccdc ccdn ccds ccnc ccns ccnu ccsd ccsn ccss ccuc ccus cdcs cdnc cdss cndd cnss cscc cscd cscs csdn cssd csus cucc cucn cuds cund cusd cuss cusu dccc dccs dccu dcds dcns dcsc dcss dddd ddss dncs dnsc dnus dscc dscn dscs dssc dssn ducs dudd duds dudu dunc dunn duns nccc nccn nccs nccu ncdc ncdn ncds ncdu ncnc ncnd ncsc ncss ndcc ndcs ndss nnnn nnss nscc nscd nscs nsds nssc nsss nucs nucu nudc nudd nunc nunn nuns nuss nusu sccc sccs scdc scds scnd scsc scsd scsn scsu scud scun sdcc sddc sdds sdsc sdss sdsu sncc snns snsd snus sscc sscs ssdc ssdd ssns sssc ssss suc- succ sucs sudd suds sun- sund sunn suns sunu sus- susd suss susu suus ucdc ucdd ucsc ucsd ucsu udds udsd udun uncc uncs unds unns uns- unsc unus uscc uscs usdc usds usnc usnu ussc usss ussu usun usus uuuu