-er -ol ddd dde ddf ddi ddl ddo ddr de- ded dee def dei del deo der dev dfd dfe dff dfi dfl dfo dfr dfv di- did die dif dii dil dio dir div dl- dld dle dlf dli dll dlo dlr dlv dod doe dof doi dol doo dor dov drd dre dri drl dro drr drv dvd dve dvi dvl dvr ed- edd ede edf edi edl edo edr eed eee eef eel eeo eer eev ef- efd efe eff efi efl efo efr eid eie eif eii eil eio eir eiv eld ele elf eli ell elo elr elv eo- eod eoe eof eoi eol eoo eor erd ere erf eri erl ero err erv evd eve evf evi evl evo evr evv fdd fde fdf fdi fdl fdo fdr fed fee fef fei fel feo fer fev ffd ffe fff ffi ffl ffo ffr ffv fid fie fif fii fil fir fld fle flf fli fll flo flr foe fof foi fol foo for frd fre frf fri frl fro frr fvd i-d i-f i-v idd ide idf idi idl ido idr idv ie- ied iee ief iei iel ier iev ifd ife iff ifi ifl ifo ifr iid iie iif iii iil iio iir il- ild ile ilf ili ill ilo ilr ilv io- iod ioe iof ioi iol ioo ior iov ir- ird ire irf iri irl iro irr irv ivd ive ivf ivi ivl ivo ivr ivv ldd lde ldf ldi ldl ldo ldr ldv led lee lef lei lel leo ler lev lfd lfe lff lfi lfl lfo lfr lid lie lif lii lil lio lir liv lld lle llf lli lll llo llr llv lod loe lof loi lol loo lor lov lrd lrf lri lro lrr lrv lvd lve lvf lvi lvl lvr lvv o-i odd ode odf odi odl odo odr odv oed oee oef oei oel oeo oer of- ofd ofe off ofi ofl ofo ofr ofv oid oie oif oii oil oio oir oiv old ole olf oli oll olo oo- ood oof ooi ool ooo oor oov or- ord ore orf ori orl oro orr orv ov- ovd ove ovf ovi ovl ovo ovv rdd rde rdf rdi rdl rdo rdr rdv re- red ree ref rei rel reo rer rev rfd rfe rff rfi rfl rfo rfr rfv rid rie rif rii ril rio rir riv rld rle rlf rli rll rlo rlr rod roe rof roi rol roo ror rov rrd rrf rri rrl rrr rvd rve rvf rvi rvl rvo rvr rvv v-e vdd vde vdf vdi vdl vdo vdr vdv ved vee vef vei vel veo ver vfd vff vfi vfl vfr vfv vi- vid vie vif vii vil vio vir viv vl- vld vle vlf vll vlo vlv vod voe vof voi vol voo vor vov vrd vre vrf vri vrr vvi vvo vvr vvv