c-- ccc cce cch ccl ccs ce- cec cee ceh cel ces ch- chc che chh chl chs cl- clc cle clh cll cls csc cse csh csl css ec- ecc ece ech ecl ecs eec eee eel ees ehc ehe ehh ehl ehs elc ele elh ell els es- esc ese esh esl ess hcc hce hch hcl hcs he- hec hee heh hel hes hhc hhe hhh hhl hhs hlc hle hlh hll hls hsc hse hsh hsl hss lcc lce lch lcl lcs lec lee leh lel les lhc lhh lhs llc lle lll lls lsc lse lsh lsl lss scc sce sch scl scs se- sec see seh sel ses sh- shc she shh shl shs slc sle slh sll sls ss- ssc sse ssh ssl sss