-er c-- ccc ccd cce cch ccl ccr ccs cdc cdd cde cdh cdl cdr cds ce- cec ced cee ceh cel cer ces ch- chc chd che chh chl chr chs cl- clc cld cle clh cll clr cls crc crd cre crh crl crr crs csc csd cse csh csl csr css dcc dcd dce dcl dcr dcs ddc ddd dde ddh ddl ddr dds de- dec ded dee deh del der des dh- dhc dhd dhe dhh dhl dhr dhs dl- dlc dld dle dlh dll dlr dls drc drd dre drl drr drs dsc dsd dse dsh dsl dsr dss ec- ecc ecd ece ech ecl ecr ecs ed- edc edd ede edh edl edr eds eec eed eee eel eer ees ehc ehd ehe ehh ehl ehr ehs elc eld ele elh ell elr els erc erd ere erh erl err ers es- esc esd ese esh esl esr ess hcc hcd hce hch hcl hcr hcs hdc hdd hde hdh hdl hdr hds he- hec hed hee heh hel her hes hhc hhd hhe hhh hhl hhr hhs hlc hld hle hlh hll hlr hls hr- hrc hrd hre hrh hrl hrr hrs hsc hsd hse hsh hsl hsr hss lcc lcd lce lch lcl lcr lcs ldc ldd lde ldh ldl ldr lds lec led lee leh lel ler les lhc lhd lhh lhr lhs llc lld lle lll llr lls lrc lrd lrh lrr lrs lsc lsd lse lsh lsl lsr lss rcc rcd rce rch rcl rcr rcs rdc rdd rde rdh rdl rdr rds re- rec red ree reh rel rer res rh- rhc rhd rhe rhh rhl rhr rhs rlc rld rle rlh rll rlr rls rrc rrd rrh rrl rrr rrs rsc rsd rse rsh rsl rsr rss scc scd sce sch scl scr scs sdc sdd sde sdh sdl sdr sds se- sec sed see seh sel ser ses sh- shc shd she shh shl shr shs slc sld sle slh sll slr sls sr- src srd sre srh srl srr srs ss- ssc ssd sse ssh ssl ssr sss