-er b-u bbb bbd bbe bbf bbh bbi bbl bbr bbs bbu bdb bdd bde bdf bdh bdi bdl bdr bds bdu be- beb bed bee bef beh bei bel ber bes beu bfb bfd bfe bff bfh bfi bfl bfr bfs bfu bhb bhd bhe bhf bhh bhi bhl bhr bhs bhu bi- bib bid bie bif bih bii bil bir bis biu blb bld ble blf blh bli bll blr bls blu brb brd bre brf brh bri brl brr brs bru bsb bsd bse bsf bsh bsi bsl bsr bss bsu bub bud bue buf buh bui bul bur bus buu dbb dbd dbe dbf dbh dbi dbl dbr dbs dbu ddb ddd dde ddf ddh ddi ddl ddr dds ddu de- deb ded dee def deh dei del der des deu dfb dfd dfe dff dfh dfi dfl dfr dfs dfu dh- dhb dhd dhe dhf dhh dhi dhl dhr dhs dhu di- dib did die dif dih dii dil dir dis diu dl- dlb dld dle dlf dlh dli dll dlr dls dlu drb drd dre dri drl drr drs dru dsb dsd dse dsf dsh dsi dsl dsr dss dsu dub dud due duf duh dui dul dur dus ebb ebd ebe ebf ebh ebi ebl ebr ebs ebu ed- edb edd ede edf edh edi edl edr eds edu eeb eed eee eef eel eer ees ef- efb efd efe eff efh efi efl efr efs ehb ehd ehe ehf ehh ehi ehl ehr ehs ehu eib eid eie eif eii eil eir eis eiu elb eld ele elf elh eli ell elr els elu erb erd ere erf erh eri erl err ers eru es- esb esd ese esf esh esi esl esr ess esu eu- eub eud eue euf eui eul eur eus fbb fbd fbe fbf fbh fbi fbl fbr fbs fbu fdb fdd fde fdf fdh fdi fdl fdr fds fdu feb fed fee fef feh fei fel fer fes feu ffd ffe fff ffh ffi ffl ffr ffs ffu fhb fhe fhf fhh fhi fhl fhr fhs fib fid fie fif fih fii fil fir fis fiu flb fld fle flf fli fll flr fls flu frb frd fre frf frh fri frl frr frs fru fsb fsd fse fsf fsh fsi fsl fsr fss fsu fub fud fue fuf fui ful fur fus fuu h-i hbb hbd hbe hbf hbh hbi hbl hbr hbs hbu hdb hdd hde hdf hdh hdi hdl hdr hds hdu he- heb hed hee hef heh hei hel her hes heu hfb hfd hfe hff hfh hfi hfl hfr hfs hfu hhb hhd hhe hhf hhh hhi hhl hhr hhs hhu hib hid hie hif hih hii hil hir his hiu hlb hld hle hlf hlh hli hll hlr hls hlu hr- hrb hrd hre hrf hrh hri hrl hrr hrs hru hsb hsd hse hsf hsh hsi hsl hsr hss hsu hub hud hue huf huh hui hul hur hus huu i-d i-f ibb ibd ibe ibf ibh ibi ibl ibr ibs ibu idb idd ide idf idh idi idl idr ids idu ie- ied iee ief iei iel ier ies ifb ifd ife iff ifi ifl ifr ifs ifu ihb ihd ihe ihf ihh ihi ihl ihr ihs ihu iib iid iie iif iih iii iil iir iis iiu il- ilb ild ile ilf ilh ili ill ilr ils ilu ir- irb ird ire irf iri irl irr irs iru is- isb isd ise isf ish isi isl isr iss isu iu- iub iud iue iui iur ius lbb lbd lbe lbf lbh lbi lbl lbr lbs lbu ldb ldd lde ldf ldh ldi ldl ldr lds ldu leb led lee lef leh lei lel ler les leu lfb lfd lfe lff lfh lfi lfl lfr lfs lfu lhb lhd lhf lhh lhi lhr lhs lhu lib lid lie lif lih lii lil lir lis liu llb lld lle llf lli lll llr lls llu lrb lrd lrf lrh lri lrr lrs lru lsb lsd lse lsf lsh lsi lsl lsr lss lsu lub lud lue luf luh lui lul lur lus luu rbb rbd rbe rbf rbh rbi rbl rbr rbs rbu rdb rdd rde rdf rdh rdi rdl rdr rds rdu re- reb red ree ref reh rei rel rer res reu rfb rfd rfe rff rfh rfi rfl rfr rfs rfu rh- rhb rhd rhe rhf rhh rhi rhl rhr rhs rhu rib rid rie rif rih rii ril rir ris rld rle rlf rlh rli rll rlr rls rlu rrb rrd rrf rrh rri rrl rrr rrs rru rsb rsd rse rsf rsh rsi rsl rsr rss rsu rub rud rue ruf ruh rui rur rus ruu sbb sbd sbe sbf sbh sbi sbl sbr sbs sbu sdb sdd sde sdf sdh sdi sdl sdr sds sdu se- seb sed see sef seh sei sel ser ses seu sfb sfd sfe sff sfh sfi sfl sfr sfs sfu sh- shb shd she shf shh shi shl shr shs shu sib sid sie sif sih sii sil sir sis siu slb sld sle slf slh sli sll slr sls slu sr- srb srd sre srf srh sri srl srr srs ss- ssb ssd sse ssf ssh ssi ssl ssr sss ssu sub sud sue suf suh sui sul sur sus suu ubb ube ubf ubh ubi ubl ubr ubs ubu udb udd ude udf udi udl udr uds udu ueb ued uee uef ueh uei uel uer ues ufd ufe uff ufh ufi ufl ufr ufs ufu uhb uhd uhe uhf uhh uhi uhl uhr uhs uhu uib uid uie uif uii uil uir uis uiu ulb uld ule ulf uli ull ulr uls ulu ur- urb urd ure urf uri url urr urs uru usb usd use usf ush usi usl usr uss usu uue uur uus uuu

bbbb bbbs bbdd bbeb bbhs bblb bbls bd-r bddh bdes bdhs bdii bdle bdls bdsd bduf bebb bebe