-er ddd dde ddf ddo ddr dds ddt ddx de- ded dee def deo der des det dex dfd dfe dff dfo dfr dfs dft dfx dod doe dof doo dor dos dot dox drd dre dro drr drs drt drx dsd dse dsf dso dsr dss dst dsx dtd dte dtf dto dtr dts dtt dtx dxd dxo dxr dxs dxt dxx ed- edd ede edf edo edr eds edt edx eed eee eef eeo eer ees eet eex ef- efd efe eff efo efr efs eft efx eo- eod eoe eof eoo eor eos eot erd ere erf ero err ers ert es- esd ese esf eso esr ess est esx etd ete etf eto etr ets ett etx ex- exd exe exo exr exs ext exx fdd fde fdf fdo fdr fds fdt fdx fed fee fef feo fer fes fet fex ffd ffe fff ffo ffr ffs fft ffx foe fof foo for fos fot fox frd fre frf fro frr frs frt fsd fse fsf fso fsr fss fst fsx ftd fte ftf fto ftr fts ftt ftx fxe fxr fxs fxt fxx odd ode odf odo odr ods odt oed oee oef oeo oer oes oet oex of- ofd ofe off ofo ofr ofs oft ofx oo- ood oof ooo oor oos oot oox or- ord ore orf oro orr ors ort orx os- osd ose osf oso osr oss ost osx ot- otd ote otf oto otr ots ott ox- oxf oxo oxt oxx rdd rde rdf rdo rdr rds rdt rdx re- red ree ref reo rer res ret rex rfd rfe rff rfo rfr rfs rft rod roe rof roo ror ros rot rox rrd rrf rrr rrs rrt rsd rse rsf rso rsr rss rst rsx rtd rte rtf rto rtr rts rtt rtx rxr rxs sdd sde sdf sdo sdr sds sdt se- sed see sef seo ser ses set sex sfd sfe sff sfo sfr sfs sft sfx sod soe sof soo sor sos sot sox sr- srd sre srf sro srr srs srt srx ss- ssd sse ssf sso ssr sss sst ssx std ste stf sto str sts stt stx sxs sxt t-x tdd tde tdf tdo tdr tds tdt tdx te- ted tee tef teo ter tes tet tex tfd tfe tff tfo tfr tfs tft tfx to- tod toe tof too tor tos tot tox trd tre trf tro trr trs trt trx tsd tse tsf tso tsr tss tst tsx ttd tte ttf tto ttr tts ttt ttx txe txf txs txt xde xdf xdr xds xdt xed xee xer xes xet xex xfe xfs xft xfx xod xof xoo xor xos xot xox xrd xrf xrt xrx xss xst xtf xtr xts xtx xxo xxx

-ose dddd ddes ddot ddre ddss ddts dedd dede dedo deed deef deer dees deet defe deff defo defs deft deor deos der- dere derf dero derr ders des- dese deso dess dest dete deto detr dets dex- dexe dext dfds dfdt dfer dfoe dfrf dftr dfts do-x dod- dodd dode dodo dods doer does doff dood doof door doos doot dord dore dorf doro dorr dors dort dose doso doss dost dotd dote doto dots dott dred dree dref dres dret drod drof drot drrs dsdr dsos dsrr dsst dsto dsts dted dtor dtot dtox dtss dttx dtxt dxdr dxds dxed dxef dxes dxfe dxfx dxrd dxre dxrf dxrr dxrt dxrx dxss dxts dxxr dxxx edde eddo edds ede- eder edes edex edod edos edss edts eede eeee eees eefe eero eers eese eete eets eext efeo efes efet effs efor eft- efts eode eoes eore eost eotd eoto eots er-x erde erdf erds ered erer eres eret erfs erft erfx erod eroe eroo eros erre erro errs erse erso erst erts esds esdx esee eseo eser eses eset esfs eso- esos esox esrd esse esso esst estd este esto estr ests etds etee eter etes etfe etoe etos etox etre etro ette etto exed exer exes exfo exo- exod exor exos exrx exte extr exts fdos fdot fdst fede feds feed feer fees feet fefe feff fefo feod feof ferd fere fero ferr fers fert fese fess fest fete fetr fets fett fext ffee ffff ffrr ffss fftf fode foed foer foes fofo food foof foos foot for- ford fore foro forr fors fort foso foss fost fote foto fots fott foxe foxx fred free freo fres fret frex froe fros frot frso frst fsfo fssf fter ftos ftrs ftse ftsr fxdd o-eo oddd odds oded odeo oder odes odet odex odoo odor odos odot odso odts oedo oeds oere oers oese oest ofdr ofer off- offe offo offr offs ofor ofre ofst ooer ooes ooff oofs oooo ooos oord oore oort oose oost oots orde ordo ords ore- ored oreo orer ores orex orfe orff orfs oro- oroe orof oror oros orot orro orrs orse orso orte orto orts osed osee oser oses oset osoo osor osos osrd osro ossd osse osso oste ostr osts oted otee oter otes oto- otoe otof otoo otor otos otre otro otrs otse otso otte otto otts oxer oxes oxo- oxof oxos oxox oxxo rder rdos rdso redd rede redo redr reds redx reed reef rees reet refd refe reff refr refs reft reod reof reos reot rerd rere rero rers rert rese reso ress rest retd rete reto retr rets rett rexx rfds rfef rodd rode rodo rods roed roer roes roet rofe roff rofo rood roof roor roos root roox rore roro rort rose roso ross rost rote roto rotr rots rott roxo rred rrrr rsdd rsds rsee rsos rsre rsts rtdt rtee rtes rtex rtss rtts rxes s-os sdds sdef sder sdes sdet sdot sdrs sdsf sdss sdxf se-d se-e se-f se-o se-s se-t se-x sede sedo seds seed seef seer sees seet seex seff seft seod serd sere serf sero serr sers sert sese seso sess sest set- sete setf seto sets sett setx