-er -ol ddd dde ddi ddl ddo ddr dds ddt de- ded dee dei del deo der des det di- did die dii dil dio dir dis dit dl- dld dle dli dll dlo dlr dls dlt dod doe doi dol doo dor dos dot drd dre dri drl dro drr drs drt dsd dse dsi dsl dso dsr dss dst dtd dte dti dtl dto dtr dts dtt ed- edd ede edi edl edo edr eds edt eed eee eel eeo eer ees eet eid eie eii eil eio eir eis eit eld ele eli ell elo elr els elt eo- eod eoe eoi eol eoo eor eos eot erd ere eri erl ero err ers ert es- esd ese esi esl eso esr ess est etd ete eti etl eto etr ets ett i-d idd ide idi idl ido idr ids idt ie- ied iee iei iel ier ies iet iid iie iii iil iio iir iis iit il- ild ile ili ill ilo ilr ils ilt io- iod ioe ioi iol ioo ior ios iot ir- ird ire iri irl iro irr irs irt is- isd ise isi isl iso isr iss ist itd ite iti itl ito its itt ldd lde ldi ldl ldo ldr lds ldt led lee lei lel leo ler les let lid lie lii lil lio lir lis lit lld lle lli lll llo llr lls llt lod loe loi lol loo lor los lot lrd lri lro lrr lrs lrt lsd lse lsi lsl lso lsr lss lst ltd lte lti ltl lto ltr lts ltt o-i odd ode odi odl odo odr ods odt oed oee oei oel oeo oer oes oet oid oie oii oil oio oir ois oit old ole oli oll olo ols olt oo- ood ooi ool ooo oor oos oot or- ord ore ori orl oro orr ors ort os- osd ose osi osl oso osr oss ost ot- otd ote oti otl oto otr ots ott rdd rde rdi rdl rdo rdr rds rdt re- red ree rei rel reo rer res ret rid rie rii ril rio rir ris rit rld rle rli rll rlo rlr rls rlt rod roe roi rol roo ror ros rot rrd rri rrl rrr rrs rrt rsd rse rsi rsl rso rsr rss rst rtd rte rti rtl rto rtr rts rtt sdd sde sdi sdl sdo sdr sds sdt se- sed see sei sel seo ser ses set sid sie sii sil sio sir sis sit sld sle sli sll slo slr sls slt sod soe soi sol soo sor sos sot sr- srd sre sri srl sro srr srs srt ss- ssd sse ssi ssl sso ssr sss sst std ste sti stl sto str sts stt tdd tde tdi tdl tdo tdr tds tdt te- ted tee tei tel teo ter tes tet tid tie tii til tio tir tis tit tld tle tli tll tlo tlr tls tlt to- tod toe toi tol too tor tos tot trd tre tri trl tro trr trs trt tsd tse tsi tsl tso tsr tss tst ttd tte tti ttl tto ttr tts ttt