-er ddd dde ddf ddi ddo ddr ddt de- ded dee def dei deo der det dev dfd dfe dff dfi dfo dfr dft dfv di- did die dif dii dio dir dit div dod doe dof doi doo dor dot dov drd dre dri dro drr drt drv dtd dte dtf dti dto dtr dtt dtv dvd dve dvi dvr dvt ed- edd ede edf edi edo edr edt eed eee eef eeo eer eet eev ef- efd efe eff efi efo efr eft eid eie eif eii eio eir eit eiv eo- eod eoe eof eoi eoo eor eot erd ere erf eri ero err ert erv etd ete etf eti eto etr ett etv evd eve evf evi evo evr evt evv fdd fde fdf fdi fdo fdr fdt fed fee fef fei feo fer fet fev ffd ffe fff ffi ffo ffr fft ffv fid fie fif fii fir fit foe fof foi foo for fot frd fre frf fri fro frr frt ftd fte ftf fti fto ftr ftt ftv fvd fvt i-d i-f i-v idd ide idf idi ido idr idt idv ie- ied iee ief iei ier iet iev ifd ife iff ifi ifo ifr ift iid iie iif iii iio iir iit io- iod ioe iof ioi ioo ior iot iov ir- ird ire irf iri iro irr irt irv itd ite itf iti ito itt itv ivd ive ivf ivi ivo ivr ivt ivv o-i odd ode odf odi odo odr odt odv oed oee oef oei oeo oer oet of- ofd ofe off ofi ofo ofr oft ofv oid oie oif oii oio oir oit oiv oo- ood oof ooi ooo oor oot oov or- ord ore orf ori oro orr ort orv ot- otd ote otf oti oto otr ott otv ov- ovd ove ovf ovi ovo ovv rdd rde rdf rdi rdo rdr rdt rdv re- red ree ref rei reo rer ret rev rfd rfe rff rfi rfo rfr rft rfv rid rie rif rii rio rir rit riv rod roe rof roi roo ror rot rov rrd rrf rri rrr rrt rtd rte rtf rti rto rtr rtt rtv rvd rve rvf rvi rvo rvr rvt rvv tdd tde tdf tdi tdo tdr tdt tdv te- ted tee tef tei teo ter tet tev tfd tfe tff tfi tfo tfr tft tid tie tif tii tio tir tit tiv to- tod toe tof toi too tor tot tov trd tre trf tri tro trr trt trv ttd tte ttf tti tto ttr ttt ttv tvd tve tvf tvi tvo tvr tvt v-e vdd vde vdf vdi vdo vdr vdt vdv ved vee vef vei veo ver vet vfd vff vfi vfr vft vfv vi- vid vie vif vii vio vir vit viv vod voe vof voi voo vor vot vov vrd vre vrf vri vrr vrt vte vti vto vtr vtt vtv vvi vvo vvr vvt vvv