-er bbb bbd bbe bbf bbi bbl bbr bdb bdd bde bdf bdi bdl bdr be- beb bed bee bef bei bel ber bfb bfd bfe bff bfi bfl bfr bi- bib bid bie bif bii bil bir blb bld ble blf bli bll blr brb brd bre brf bri brl brr dbb dbd dbe dbf dbi dbl dbr ddb ddd dde ddf ddi ddl ddr de- deb ded dee def dei del der dfb dfd dfe dff dfi dfl dfr di- dib did die dif dii dil dir dl- dlb dld dle dlf dli dll dlr drb drd dre dri drl drr ebb ebd ebe ebf ebi ebl ebr ed- edb edd ede edf edi edl edr eeb eed eee eef eel eer ef- efb efd efe eff efi efl efr eib eid eie eif eii eil eir elb eld ele elf eli ell elr erb erd ere erf eri erl err fbb fbd fbe fbf fbi fbl fbr fdb fdd fde fdf fdi fdl fdr feb fed fee fef fei fel fer ffd ffe fff ffi ffl ffr fib fid fie fif fii fil fir flb fld fle flf fli fll flr frb frd fre frf fri frl frr i-d i-f ibb ibd ibe ibf ibi ibl ibr idb idd ide idf idi idl idr ie- ied iee ief iei iel ier ifb ifd ife iff ifi ifl ifr iib iid iie iif iii iil iir il- ilb ild ile ilf ili ill ilr ir- irb ird ire irf iri irl irr lbb lbd lbe lbf lbi lbl lbr ldb ldd lde ldf ldi ldl ldr leb led lee lef lei lel ler lfb lfd lfe lff lfi lfl lfr lib lid lie lif lii lil lir llb lld lle llf lli lll llr lrb lrd lrf lri lrr rbb rbd rbe rbf rbi rbl rbr rdb rdd rde rdf rdi rdl rdr re- reb red ree ref rei rel rer rfb rfd rfe rff rfi rfl rfr rib rid rie rif rii ril rir rld rle rlf rli rll rlr rrb rrd rrf rri rrl rrr