-er ddd dde ddh ddi ddo ddr dds de- ded dee deh dei deo der des dh- dhd dhe dhh dhi dho dhr dhs di- did die dih dii dio dir dis dod doe doh doi doo dor dos drd dre dri dro drr drs dsd dse dsh dsi dso dsr dss ed- edd ede edh edi edo edr eds eed eee eeo eer ees ehd ehe ehh ehi eho ehr ehs eid eie eii eio eir eis eo- eod eoe eoh eoi eoo eor eos erd ere erh eri ero err ers es- esd ese esh esi eso esr ess h-i hdd hde hdh hdi hdo hdr hds he- hed hee heh hei heo her hes hhd hhe hhh hhi hho hhr hhs hid hie hih hii hio hir his hod hoe hoh hoi hoo hor hos hr- hrd hre hrh hri hro hrr hrs hsd hse hsh hsi hsr hss i-d idd ide idh idi ido idr ids ie- ied iee iei ier ies ihd ihe ihh ihi iho ihr ihs iid iie iih iii iio iir iis io- iod ioe ioh ioi ioo ior ios ir- ird ire iri iro irr irs is- isd ise ish isi iso isr iss o-i odd ode odh odi odo odr ods oed oee oeh oei oeo oer oes ohd ohe ohh ohi oho ohr ohs oid oie oii oio oir ois oo- ood ooh ooi ooo oor oos or- ord ore orh ori oro orr ors os- osd ose osh osi oso osr oss rdd rde rdh rdi rdo rdr rds re- red ree reh rei reo rer res rh- rhd rhe rhh rhi rho rhr rhs rid rie rih rii rio rir ris rod roe roh roi roo ror ros rrd rrh rri rrr rrs rsd rse rsh rsi rso rsr rss sdd sde sdh sdi sdo sdr sds se- sed see seh sei seo ser ses sh- shd she shh shi sho shr shs sid sie sih sii sio sir sis sod soe soh soi soo sor sos sr- srd sre srh sri sro srr srs ss- ssd sse ssh ssi sso ssr sss