-er ddd dde ddf ddi ddo ddr ddt ddx de- ded dee def dei deo der det dex dfd dfe dff dfi dfo dfr dft dfx di- did die dif dii dio dir dit dix dod doe dof doi doo dor dot dox drd dre dri dro drr drt drx dtd dte dtf dti dto dtr dtt dtx dxd dxi dxo dxr dxt dxx ed- edd ede edf edi edo edr edt edx eed eee eef eeo eer eet eex ef- efd efe eff efi efo efr eft efx eid eie eif eii eio eir eit eix eo- eod eoe eof eoi eoo eor eot erd ere erf eri ero err ert etd ete etf eti eto etr ett etx ex- exd exe exi exo exr ext exx fdd fde fdf fdi fdo fdr fdt fdx fed fee fef fei feo fer fet fex ffd ffe fff ffi ffo ffr fft ffx fid fie fif fii fir fit fix foe fof foi foo for fot fox frd fre frf fri fro frr frt ftd fte ftf fti fto ftr ftt ftx fxe fxi fxr fxt fxx i-d i-f idd ide idf idi ido idr idt idx ie- ied iee ief iei ier iet iex ifd ife iff ifi ifo ifr ift ifx iid iie iif iii iio iir iit iix io- iod ioe iof ioi ioo ior iot ir- ird ire irf iri iro irr irt irx itd ite itf iti ito itt itx ixe ixi o-i odd ode odf odi odo odr odt oed oee oef oei oeo oer oet oex of- ofd ofe off ofi ofo ofr oft ofx oid oie oif oii oio oir oit oo- ood oof ooi ooo oor oot oox or- ord ore orf ori oro orr ort orx ot- otd ote otf oti oto otr ott ox- oxf oxi oxo oxt oxx rdd rde rdf rdi rdo rdr rdt rdx re- red ree ref rei reo rer ret rex rfd rfe rff rfi rfo rfr rft rid rie rif rii rio rir rit rix rod roe rof roi roo ror rot rox rrd rrf rri rrr rrt rtd rte rtf rti rto rtr rtt rtx rxr t-x tdd tde tdf tdi tdo tdr tdt tdx te- ted tee tef tei teo ter tet tex tfd tfe tff tfi tfo tfr tft tfx tid tie tif tii tio tir tit tix to- tod toe tof toi too tor tot tox trd tre trf tri tro trr trt trx ttd tte ttf tti tto ttr ttt ttx txe txf txi txt xde xdf xdi xdr xdt xed xee xer xet xex xfe xft xfx xie xii xio xit xix xod xof xoi xoo xor xot xox xrd xrf xrt xrx xtf xti xtr xtx xxi xxo xxx

d-ix dddd ddie ddot ddre dedd dede dedi dedo deed deef deer deet defe deff defi defo deft deid deie deif deir deit deor der- dere derf deri dero derr dete deto detr dex- dexe dext dfdt dfer dfoe dfrf dfri dftr dide didi dido died dief dier diet diex dif- diff diii dior diot dird dire dirr dirt dite diti dito ditt dixi do-x dod- dodd dode dodi dodo doer doff doid doit doix dood doof door doot dord dore dorf dori doro dorr dort dotd dote doti doto dott dred dree dref drei dret drie drif drit drix drod drof drot dted dtor dtot dtox dttx dtxt dxdr dxed dxef dxfe dxfx dxif dxii dxix dxrd dxre dxrf dxrr dxrt dxrx dxxr dxxx edde eddi eddo ede- edei eder edex edie edif edit edod eede eeee eefe eero eete eext efeo efet effi efit efor eft- eid- eide eidi eido eidr eied eiei eier eird eire eiti eito eitr eode eoir eore eori eotd eoto er-x erde erdf erdi ered erei erer eret erft erfx erie erio erit erod eroe eroi eroo erre erro etee eter etfe etio etix etoe etox etre etro ette etti etto exed exer exfo exid exif exit exo- exod exor exrx exte extr fdot fdti fede fedi feed feer feet fefe feff fefi fefo feid feie feio feir feit feod feof ferd fere fero ferr fert fete feti fetr fett fext ffee ffff ffii ffrr fftf fide fidf fido fief fier fife fiff fifi fifo fift fiii fioe fior fire fite fiti fitt fixe fixt fixx fode foed foer fofo foid foie foix food foof foot for- ford fore fori foro forr fort fote foti foto fott foxe foxx fred free frei freo fret frex frid frie frio frit froe frot ftdi fter ftii fxdd iddo ided idee idef ideo ider idex idid idie idio idir idre idrf idro iedr ieet ieie ieio iere ieri ietf iett ifer ifex ifid ifit ifor ifrf ifri ifto iide iied iiie iiii iiio iiit iioi iioo iitr iitt iod- iodd iode iodo ioee ioii ioio ioit ioof iooi iooo iore iori iote iotf ioto irdo ired iree irer irex irfe iri- irid irie irio irix irod irre irri irte irtf irti itdo iter itet itex itie itif itof itoi itoo itor itrf itri ittf itto ixxi o-eo oddd oddi oded odei odeo oder odet odex odie odio odir odoo odor odot oedo oeid oere oeti ofdr ofer off- offe offo offr ofid ofit ofor ofre oido oier oiii oire oirt oiti oodi ooer ooff ooid oooo oord oore oort orde ordo ore- ored oreo orer orex orfe orff orfi ori- orid orie orif orio orit orix oro- oroe orof oror orot orri orro orte orto oted otee oter otif otit oto- otoe otof otoo otor otre otro otte otti otto oxer oxi- oxid oxie oxo- oxof oxox oxxo rder rdio redd rede redi redo redr redx reed reef reet refd refe reff refi refr reft reid reif reii reir reit reod reof reot rerd rere reri rero rert retd rete reti reto retr rett rexx rfdi rfef rfid ridd ride ridi rido ridx ried rief rier riet riex rife riff rift riif riot rire