-er -ol ddd dde ddf ddi ddl ddo ddr dds ddt ddu de- ded dee def dei del deo der des det deu dfd dfe dff dfi dfl dfo dfr dfs dft dfu di- did die dif dii dil dio dir dis dit diu dl- dld dle dlf dli dll dlo dlr dls dlt dlu dod doe dof doi dol doo dor dos dot dou drd dre dri drl dro drr drs drt dru dsd dse dsf dsi dsl dso dsr dss dst dsu dtd dte dtf dti dtl dto dtr dts dtt dtu dud due duf dui dul duo dur dus dut ed- edd ede edf edi edl edo edr eds edt edu eed eee eef eel eeo eer ees eet ef- efd efe eff efi efl efo efr efs eft eid eie eif eii eil eio eir eis eit eiu eld ele elf eli ell elo elr els elt elu eo- eod eoe eof eoi eol eoo eor eos eot eou erd ere erf eri erl ero err ers ert eru es- esd ese esf esi esl eso esr ess est esu etd ete etf eti etl eto etr ets ett etu eu- eud eue euf eui eul eur eus eut fdd fde fdf fdi fdl fdo fdr fds fdt fdu fed fee fef fei fel feo fer fes fet feu ffd ffe fff ffi ffl ffo ffr ffs fft ffu fid fie fif fii fil fir fis fit fiu fld fle flf fli fll flo flr fls flt flu foe fof foi fol foo for fos fot fou frd fre frf fri frl fro frr frs frt fru fsd fse fsf fsi fsl fso fsr fss fst fsu ftd fte ftf fti ftl fto ftr fts ftt ftu fud fue fuf fui ful fuo fur fus fut fuu i-d i-f idd ide idf idi idl ido idr ids idt idu ie- ied iee ief iei iel ier ies iet ifd ife iff ifi ifl ifo ifr ifs ift ifu iid iie iif iii iil iio iir iis iit iiu il- ild ile ilf ili ill ilo ilr ils ilt ilu io- iod ioe iof ioi iol ioo ior ios iot iou ir- ird ire irf iri irl iro irr irs irt iru is- isd ise isf isi isl iso isr iss ist isu itd ite itf iti itl ito its itt itu iu- iud iue iui iur ius iut ldd lde ldf ldi ldl ldo ldr lds ldt ldu led lee lef lei lel leo ler les let leu lfd lfe lff lfi lfl lfo lfr lfs lft lfu lid lie lif lii lil lio lir lis lit liu lld lle llf lli lll llo llr lls llt llu lod loe lof loi lol loo lor los lot lou lrd lrf lri lro lrr lrs lrt lru lsd lse lsf lsi lsl lso lsr lss lst lsu ltd lte ltf lti ltl lto ltr lts ltt ltu lud lue luf lui lul luo lur lus lut luu o-i odd ode odf odi odl odo odr ods odt odu oed oee oef oei oel oeo oer oes oet of- ofd ofe off ofi ofl ofo ofr ofs oft ofu oid oie oif oii oil oio oir ois oit oiu old ole olf oli oll olo ols olt olu oo- ood oof ooi ool ooo oor oos oot or- ord ore orf ori orl oro orr ors ort oru os- osd ose osf osi osl oso osr oss ost osu ot- otd ote otf oti otl oto otr ots ott otu ou- oud oue ouf oui oul ouo our ous out rdd rde rdf rdi rdl rdo rdr rds rdt rdu re- red ree ref rei rel reo rer res ret reu rfd rfe rff rfi rfl rfo rfr rfs rft rfu rid rie rif rii ril rio rir ris rit rld rle rlf rli rll rlo rlr rls rlt rlu rod roe rof roi rol roo ror ros rot rou rrd rrf rri rrl rrr rrs rrt rru rsd rse rsf rsi rsl rso rsr rss rst rsu rtd rte rtf rti rtl rto rtr rts rtt rtu rud rue ruf rui ruo rur rus rut ruu sdd sde sdf sdi sdl sdo sdr sds sdt sdu se- sed see sef sei sel seo ser ses set seu sfd sfe sff sfi sfl sfo sfr sfs sft sfu sid sie sif sii sil sio sir sis sit siu sld sle slf sli sll slo slr sls slt slu sod soe sof soi sol soo sor sos sot sou sr- srd sre srf sri srl sro srr srs srt ss- ssd sse ssf ssi ssl sso ssr sss sst ssu std ste stf sti stl sto str sts stt stu sud sue suf sui sul suo sur sus sut suu tdd tde tdf tdi tdl tdo tdr tds tdt tdu te- ted tee tef tei tel teo ter tes tet teu tfd tfe tff tfi tfl tfo tfr tfs tft tfu tid tie tif tii til tio tir tis tit tiu tld tle tlf tli tll tlo tlr tls tlt tlu to- tod toe tof toi tol too tor tos tot tou trd tre trf tri trl tro trr trs trt tru tsd tse tsf tsi tsl tso tsr tss tst tsu ttd tte ttf tti ttl tto ttr tts ttt ttu tud tue tuf tui tul tuo tur tus tut tuu udd ude udf udi udl udo udr uds udt udu ued uee uef uei uel uer ues uet ufd ufe uff ufi ufl ufo ufr ufs uft ufu uid uie uif uii uil uio uir uis uit uiu uld ule ulf uli ull ulo ulr uls ult ulu uod uoe uol uoo uor uos uot ur- urd ure urf uri url uro urr urs urt uru usd use usf usi usl uso usr uss ust usu utd ute utf uti utl uto utr uts utt utu uue uur uus uut uuu