c-cd cccc cccl cccs cccu ccdc ccds cclc ccls ccsd ccsl ccss ccuc ccus cdcs cddl cdls cdss clcd cldc clsc clud cscc cscd cscl cscs csld cslu cssd csus cucc cuds culc culd cull culs cusd cuss cusu dccc dccl dccs dccu dcds dcls dcsc dcss dddd ddlc ddss dlcs dscc dscs dsls dssc ducs dudd duds dudu dulc dull dulu duul lccc lccs lcdd lcds lcls lcsc lcsd ldls llcc llcs lldc llds lllc llll llud lscs lsds lucs ludd lull lulu luss sccc sccl sccs scdc scds scl- sclc scls scsc scsd scsl scsu scud scul sdcc sddc sdds sdlc sdls sdsc sdsl sdss sdsu slcc slcd slcu slds slsc slsu sluc slud sscc sscs ssdc ssdd sslc sssc ssss suc- succ sucs sudd suds sul- sulc suld sull sulu sus- susd suss susu suus ucdc ucdd ucsc ucsd ucsu udds udsd udsl ulcc ulul ulus uscc uscs usdc usdl usds uslu ussc usss ussu usul usus uulu uuuu