-er ddd dde ddi ddr dds ddw de- ded dee dei der des dew di- did die dii dir dis diw drd dre dri drr drs drw dsd dse dsi dsr dss dsw dwe dwi dwr dws dww ed- edd ede edi edr eds edw eed eee eer ees eew eid eie eii eir eis erd ere eri err ers erw es- esd ese esi esr ess esw ewd ewe ewi ewr ews eww i-d idd ide idi idr ids idw ie- ied iee iei ier ies iid iie iii iir iis iiw ir- ird ire iri irr irs is- isd ise isi isr iss isw iwd iwe iwi iwr iws iww rdd rde rdi rdr rds re- red ree rei rer res rew rid rie rii rir ris rrd rri rrr rrs rsd rse rsi rsr rss rsw rwd rwe rwi rwr rws sdd sde sdi sdr sds sdw se- sed see sei ser ses sew sid sie sii sir sis siw sr- srd sre sri srr srs srw ss- ssd sse ssi ssr sss ssw swd swe swi swr sws wdi wdr wds wed wee wei wer wes wew wid wie wii wir wis wr- wrd wre wri wrr wrs wrw wsd wse wsi wsr wss wsw wwd wwe wwi www