-er b-u bbb bbd bbe bbf bbi bbl bbr bbt bbu bdb bdd bde bdf bdi bdl bdr bdt bdu be- beb bed bee bef bei bel ber bet beu bfb bfd bfe bff bfi bfl bfr bft bfu bi- bib bid bie bif bii bil bir bit biu blb bld ble blf bli bll blr blt blu brb brd bre brf bri brl brr brt bru btb btd bte btf bti btl btr btt btu bub bud bue buf bui bul bur but buu dbb dbd dbe dbf dbi dbl dbr dbt dbu ddb ddd dde ddf ddi ddl ddr ddt ddu de- deb ded dee def dei del der det deu dfb dfd dfe dff dfi dfl dfr dft dfu di- dib did die dif dii dil dir dit diu dl- dlb dld dle dlf dli dll dlr dlt dlu drb drd dre dri drl drr drt dru dtb dtd dte dtf dti dtl dtr dtt dtu dub dud due duf dui dul dur dut ebb ebd ebe ebf ebi ebl ebr ebt ebu ed- edb edd ede edf edi edl edr edt edu eeb eed eee eef eel eer eet ef- efb efd efe eff efi efl efr eft eib eid eie eif eii eil eir eit eiu elb eld ele elf eli ell elr elt elu erb erd ere erf eri erl err ert eru etb etd ete etf eti etl etr ett etu eu- eub eud eue euf eui eul eur eut fbb fbd fbe fbf fbi fbl fbr fbt fbu fdb fdd fde fdf fdi fdl fdr fdt fdu feb fed fee fef fei fel fer fet feu ffd ffe fff ffi ffl ffr fft ffu fib fid fie fif fii fil fir fit fiu flb fld fle flf fli fll flr flt flu frb frd fre frf fri frl frr frt fru ftb ftd fte ftf fti ftl ftr ftt ftu fub fud fue fuf fui ful fur fut fuu i-d i-f ibb ibd ibe ibf ibi ibl ibr ibt ibu idb idd ide idf idi idl idr idt idu ie- ied iee ief iei iel ier iet ifb ifd ife iff ifi ifl ifr ift ifu iib iid iie iif iii iil iir iit iiu il- ilb ild ile ilf ili ill ilr ilt ilu ir- irb ird ire irf iri irl irr irt iru itb itd ite itf iti itl itt itu iu- iub iud iue iui iur iut lbb lbd lbe lbf lbi lbl lbr lbt lbu ldb ldd lde ldf ldi ldl ldr ldt ldu leb led lee lef lei lel ler let leu lfb lfd lfe lff lfi lfl lfr lft lfu lib lid lie lif lii lil lir lit liu llb lld lle llf lli lll llr llt llu lrb lrd lrf lri lrr lrt lru ltb ltd lte ltf lti ltl ltr ltt ltu lub lud lue luf lui lul lur lut luu rbb rbd rbe rbf rbi rbl rbr rbt rbu rdb rdd rde rdf rdi rdl rdr rdt rdu re- reb red ree ref rei rel rer ret reu rfb rfd rfe rff rfi rfl rfr rft rfu rib rid rie rif rii ril rir rit rld rle rlf rli rll rlr rlt rlu rrb rrd rrf rri rrl rrr rrt rru rtb rtd rte rtf rti rtl rtr rtt rtu rub rud rue ruf rui rur rut ruu tbb tbd tbe tbf tbi tbl tbr tbt tbu tdb tdd tde tdf tdi tdl tdr tdt tdu te- teb ted tee tef tei tel ter tet teu tfb tfd tfe tff tfi tfl tfr tft tfu tib tid tie tif tii til tir tit tiu tld tle tlf tli tll tlr tlt tlu trb trd tre trf tri trl trr trt tru ttb ttd tte ttf tti ttl ttr ttt ttu tub tud tue tuf tui tul tur tut tuu ubb ube ubf ubi ubl ubr ubt ubu udb udd ude udf udi udl udr udt udu ueb ued uee uef uei uel uer uet ufd ufe uff ufi ufl ufr uft ufu uib uid uie uif uii uil uir uit uiu ulb uld ule ulf uli ull ulr ult ulu ur- urb urd ure urf uri url urr urt uru utb utd ute utf uti utl utr utt utu uue uur uut uuu