-er -ol ddd dde ddi ddl ddo ddr dds de- ded dee dei del deo der des di- did die dii dil dio dir dis dl- dld dle dli dll dlo dlr dls dod doe doi dol doo dor dos drd dre dri drl dro drr drs dsd dse dsi dsl dso dsr dss ed- edd ede edi edl edo edr eds eed eee eel eeo eer ees eid eie eii eil eio eir eis eld ele eli ell elo elr els eo- eod eoe eoi eol eoo eor eos erd ere eri erl ero err ers es- esd ese esi esl eso esr ess i-d idd ide idi idl ido idr ids ie- ied iee iei iel ier ies iid iie iii iil iio iir iis il- ild ile ili ill ilo ilr ils io- iod ioe ioi iol ioo ior ios ir- ird ire iri irl iro irr irs is- isd ise isi isl iso isr iss ldd lde ldi ldl ldo ldr lds led lee lei lel leo ler les lid lie lii lil lio lir lis lld lle lli lll llo llr lls lod loe loi lol loo lor los lrd lri lro lrr lrs lsd lse lsi lsl lso lsr lss o-i odd ode odi odl odo odr ods oed oee oei oel oeo oer oes oid oie oii oil oio oir ois old ole oli oll olo ols oo- ood ooi ool ooo oor oos or- ord ore ori orl oro orr ors os- osd ose osi osl oso osr oss rdd rde rdi rdl rdo rdr rds re- red ree rei rel reo rer res rid rie rii ril rio rir ris rld rle rli rll rlo rlr rls rod roe roi rol roo ror ros rrd rri rrl rrr rrs rsd rse rsi rsl rso rsr rss sdd sde sdi sdl sdo sdr sds se- sed see sei sel seo ser ses sid sie sii sil sio sir sis sld sle sli sll slo slr sls sod soe soi sol soo sor sos sr- srd sre sri srl sro srr srs ss- ssd sse ssi ssl sso ssr sss