-er -ol bbb bbd bbe bbf bbi bbl bbo bbr bdb bdd bde bdf bdi bdl bdo bdr be- beb bed bee bef bei bel beo ber bfb bfd bfe bff bfi bfl bfo bfr bi- bib bid bie bif bii bil bio bir blb bld ble blf bli bll blo blr bob bod boe bof boi bol boo bor brb brd bre brf bri brl bro brr dbb dbd dbe dbf dbi dbl dbo dbr ddb ddd dde ddf ddi ddl ddo ddr de- deb ded dee def dei del deo der dfb dfd dfe dff dfi dfl dfo dfr di- dib did die dif dii dil dio dir dl- dlb dld dle dlf dli dll dlo dlr dob dod doe dof doi dol doo dor drb drd dre dri drl dro drr ebb ebd ebe ebf ebi ebl ebo ebr ed- edb edd ede edf edi edl edo edr eeb eed eee eef eel eeo eer ef- efb efd efe eff efi efl efo efr eib eid eie eif eii eil eio eir elb eld ele elf eli ell elo elr eo- eob eod eoe eof eoi eol eoo eor erb erd ere erf eri erl ero err fbb fbd fbe fbf fbi fbl fbo fbr fdb fdd fde fdf fdi fdl fdo fdr feb fed fee fef fei fel feo fer ffd ffe fff ffi ffl ffo ffr fib fid fie fif fii fil fir flb fld fle flf fli fll flo flr fob foe fof foi fol foo for frb frd fre frf fri frl fro frr i-d i-f ibb ibd ibe ibf ibi ibl ibo ibr idb idd ide idf idi idl ido idr ie- ied iee ief iei iel ier ifb ifd ife iff ifi ifl ifo ifr iib iid iie iif iii iil iio iir il- ilb ild ile ilf ili ill ilo ilr io- iob iod ioe iof ioi iol ioo ior ir- irb ird ire irf iri irl iro irr lbb lbd lbe lbf lbi lbl lbo lbr ldb ldd lde ldf ldi ldl ldo ldr leb led lee lef lei lel leo ler lfb lfd lfe lff lfi lfl lfo lfr lib lid lie lif lii lil lio lir llb lld lle llf lli lll llo llr lob lod loe lof loi lol loo lor lrb lrd lrf lri lro lrr o-i ob- obb obd obe obf obi obl obo obr odb odd ode odf odi odl odo odr oeb oed oee oef oei oel oeo oer of- ofb ofd ofe off ofi ofl ofo ofr oib oid oie oif oii oil oio oir olb old ole olf oli oll olo oo- oob ood oof ooi ool ooo oor or- orb ord ore orf ori orl oro orr rbb rbd rbe rbf rbi rbl rbo rbr rdb rdd rde rdf rdi rdl rdo rdr re- reb red ree ref rei rel reo rer rfb rfd rfe rff rfi rfl rfo rfr rib rid rie rif rii ril rio rir rld rle rlf rli rll rlo rlr rob rod roe rof roi rol roo ror rrb rrd rrf rri rrl rrr