-er ddd dde ddh ddl ddr dds de- ded dee deh del der des dh- dhd dhe dhh dhl dhr dhs dl- dld dle dlh dll dlr dls drd dre drl drr drs dsd dse dsh dsl dsr dss ed- edd ede edh edl edr eds eed eee eel eer ees ehd ehe ehh ehl ehr ehs eld ele elh ell elr els erd ere erh erl err ers es- esd ese esh esl esr ess hdd hde hdh hdl hdr hds he- hed hee heh hel her hes hhd hhe hhh hhl hhr hhs hld hle hlh hll hlr hls hr- hrd hre hrh hrl hrr hrs hsd hse hsh hsl hsr hss ldd lde ldh ldl ldr lds led lee leh lel ler les lhd lhh lhr lhs lld lle lll llr lls lrd lrh lrr lrs lsd lse lsh lsl lsr lss rdd rde rdh rdl rdr rds re- red ree reh rel rer res rh- rhd rhe rhh rhl rhr rhs rld rle rlh rll rlr rls rrd rrh rrl rrr rrs rsd rse rsh rsl rsr rss sdd sde sdh sdl sdr sds se- sed see seh sel ser ses sh- shd she shh shl shr shs sld sle slh sll slr sls sr- srd sre srh srl srr srs ss- ssd sse ssh ssl ssr sss