c-- ccc ccd cce cch ccl ccs cdc cdd cde cdh cdl cds ce- cec ced cee ceh cel ces ch- chc chd che chh chl chs cl- clc cld cle clh cll cls csc csd cse csh csl css dcc dcd dce dcl dcs ddc ddd dde ddh ddl dds de- dec ded dee deh del des dh- dhc dhd dhe dhh dhl dhs dl- dlc dld dle dlh dll dls dsc dsd dse dsh dsl dss ec- ecc ecd ece ech ecl ecs ed- edc edd ede edh edl eds eec eed eee eel ees ehc ehd ehe ehh ehl ehs elc eld ele elh ell els es- esc esd ese esh esl ess hcc hcd hce hch hcl hcs hdc hdd hde hdh hdl hds he- hec hed hee heh hel hes hhc hhd hhe hhh hhl hhs hlc hld hle hlh hll hls hsc hsd hse hsh hsl hss lcc lcd lce lch lcl lcs ldc ldd lde ldh ldl lds lec led lee leh lel les lhc lhd lhh lhs llc lld lle lll lls lsc lsd lse lsh lsl lss scc scd sce sch scl scs sdc sdd sde sdh sdl sds se- sec sed see seh sel ses sh- shc shd she shh shl shs slc sld sle slh sll sls ss- ssc ssd sse ssh ssl sss