c-- ccc cce ccl ccs ccv ce- cec cee cel ces cev cl- clc cle cll cls clv csc cse csl css csv cvc cve cvl cvs cvv ec- ecc ece ecl ecs ecv eec eee eel ees eev elc ele ell els elv es- esc ese esl ess esv evc eve evl evs evv lcc lce lcl lcs lcv lec lee lel les lev llc lle lll lls llv lsc lse lsl lss lsv lvc lve lvl lvs lvv scc sce scl scs scv se- sec see sel ses sev slc sle sll sls slv ss- ssc sse ssl sss ssv svc sve svl svs svv v-e vcc vce vcl vcs vec vee vel ves vl- vlc vle vll vls vlv vsc vse vsl vss vsv vvc vvs vvv