-er -ol ddd dde ddf ddi ddl ddo ddr ddt de- ded dee def dei del deo der det dev dfd dfe dff dfi dfl dfo dfr dft dfv di- did die dif dii dil dio dir dit div dl- dld dle dlf dli dll dlo dlr dlt dlv dod doe dof doi dol doo dor dot dov drd dre dri drl dro drr drt drv dtd dte dtf dti dtl dto dtr dtt dtv dvd dve dvi dvl dvr dvt ed- edd ede edf edi edl edo edr edt eed eee eef eel eeo eer eet eev ef- efd efe eff efi efl efo efr eft eid eie eif eii eil eio eir eit eiv eld ele elf eli ell elo elr elt elv eo- eod eoe eof eoi eol eoo eor eot erd ere erf eri erl ero err ert erv etd ete etf eti etl eto etr ett etv evd eve evf evi evl evo evr evt evv fdd fde fdf fdi fdl fdo fdr fdt fed fee fef fei fel feo fer fet fev ffd ffe fff ffi ffl ffo ffr fft ffv fid fie fif fii fil fir fit fld fle flf fli fll flo flr flt foe fof foi fol foo for fot frd fre frf fri frl fro frr frt ftd fte ftf fti ftl fto ftr ftt ftv fvd fvt i-d i-f i-v idd ide idf idi idl ido idr idt idv ie- ied iee ief iei iel ier iet iev ifd ife iff ifi ifl ifo ifr ift iid iie iif iii iil iio iir iit il- ild ile ilf ili ill ilo ilr ilt ilv io- iod ioe iof ioi iol ioo ior iot iov ir- ird ire irf iri irl iro irr irt irv itd ite itf iti itl ito itt itv ivd ive ivf ivi ivl ivo ivr ivt ivv ldd lde ldf ldi ldl ldo ldr ldt ldv led lee lef lei lel leo ler let lev lfd lfe lff lfi lfl lfo lfr lft lid lie lif lii lil lio lir lit liv lld lle llf lli lll llo llr llt llv lod loe lof loi lol loo lor lot lov lrd lrf lri lro lrr lrt lrv ltd lte ltf lti ltl lto ltr ltt ltv lvd lve lvf lvi lvl lvr lvt lvv o-i odd ode odf odi odl odo odr odt odv oed oee oef oei oel oeo oer oet of- ofd ofe off ofi ofl ofo ofr oft ofv oid oie oif oii oil oio oir oit oiv old ole olf oli oll olo olt oo- ood oof ooi ool ooo oor oot oov or- ord ore orf ori orl oro orr ort orv ot- otd ote otf oti otl oto otr ott otv ov- ovd ove ovf ovi ovl ovo ovv rdd rde rdf rdi rdl rdo rdr rdt rdv re- red ree ref rei rel reo rer ret rev rfd rfe rff rfi rfl rfo rfr rft rfv rid rie rif rii ril rio rir rit riv rld rle rlf rli rll rlo rlr rlt rod roe rof roi rol roo ror rot rov rrd rrf rri rrl rrr rrt rtd rte rtf rti rtl rto rtr rtt rtv rvd rve rvf rvi rvl rvo rvr rvt rvv tdd tde tdf tdi tdl tdo tdr tdt tdv te- ted tee tef tei tel teo ter tet tev tfd tfe tff tfi tfl tfo tfr tft tid tie tif tii til tio tir tit tiv tld tle tlf tli tll tlo tlr tlt tlv to- tod toe tof toi tol too tor tot tov trd tre trf tri trl tro trr trt trv ttd tte ttf tti ttl tto ttr ttt ttv tvd tve tvf tvi tvl tvo tvr tvt v-e vdd vde vdf vdi vdl vdo vdr vdt vdv ved vee vef vei vel veo ver vet vfd vff vfi vfl vfr vft vfv vi- vid vie vif vii vil vio vir vit viv vl- vld vle vlf vll vlo vlt vlv vod voe vof voi vol voo vor vot vov vrd vre vrf vri vrr vrt vte vti vtl vto vtr vtt vtv vvi vvo vvr vvt vvv