-er bbb bbd bbe bbf bbi bbr bbs bbt bdb bdd bde bdf bdi bdr bds bdt be- beb bed bee bef bei ber bes bet bfb bfd bfe bff bfi bfr bfs bft bi- bib bid bie bif bii bir bis bit brb brd bre brf bri brr brs brt bsb bsd bse bsf bsi bsr bss bst btb btd bte btf bti btr bts btt dbb dbd dbe dbf dbi dbr dbs dbt ddb ddd dde ddf ddi ddr dds ddt de- deb ded dee def dei der des det dfb dfd dfe dff dfi dfr dfs dft di- dib did die dif dii dir dis dit drb drd dre dri drr drs drt dsb dsd dse dsf dsi dsr dss dst dtb dtd dte dtf dti dtr dts dtt ebb ebd ebe ebf ebi ebr ebs ebt ed- edb edd ede edf edi edr eds edt eeb eed eee eef eer ees eet ef- efb efd efe eff efi efr efs eft eib eid eie eif eii eir eis eit erb erd ere erf eri err ers ert es- esb esd ese esf esi esr ess est etb etd ete etf eti etr ets ett fbb fbd fbe fbf fbi fbr fbs fbt fdb fdd fde fdf fdi fdr fds fdt feb fed fee fef fei fer fes fet ffd ffe fff ffi ffr ffs fft fib fid fie fif fii fir fis fit frb frd fre frf fri frr frs frt fsb fsd fse fsf fsi fsr fss fst ftb ftd fte ftf fti ftr fts ftt i-d i-f ibb ibd ibe ibf ibi ibr ibs ibt idb idd ide idf idi idr ids idt ie- ied iee ief iei ier ies iet ifb ifd ife iff ifi ifr ifs ift iib iid iie iif iii iir iis iit ir- irb ird ire irf iri irr irs irt is- isb isd ise isf isi isr iss ist itb itd ite itf iti its itt rbb rbd rbe rbf rbi rbr rbs rbt rdb rdd rde rdf rdi rdr rds rdt re- reb red ree ref rei rer res ret rfb rfd rfe rff rfi rfr rfs rft rib rid rie rif rii rir ris rit rrb rrd rrf rri rrr rrs rrt rsb rsd rse rsf rsi rsr rss rst rtb rtd rte rtf rti rtr rts rtt sbb sbd sbe sbf sbi sbr sbs sbt sdb sdd sde sdf sdi sdr sds sdt se- seb sed see sef sei ser ses set sfb sfd sfe sff sfi sfr sfs sft sib sid sie sif sii sir sis sit sr- srb srd sre srf sri srr srs srt ss- ssb ssd sse ssf ssi ssr sss sst stb std ste stf sti str sts stt tbb tbd tbe tbf tbi tbr tbs tbt tdb tdd tde tdf tdi tdr tds tdt te- teb ted tee tef tei ter tes tet tfb tfd tfe tff tfi tfr tfs tft tib tid tie tif tii tir tis tit trb trd tre trf tri trr trs trt tsb tsd tse tsf tsi tsr tss tst ttb ttd tte ttf tti ttr tts ttt

bbbb bbbs bbdd bbeb bbet bd-r bdes bdii bdsd bebb bebe bebi bede bedi beds beeb beed beef beer bees beet befe beff beft beir beis beit berd bere beri berr bers bert bes- bese bess best bete beti bets bett bffs bfsi bfsr bfts bftt bibb bibe bibi bibs bide bidi bidr bids bieb bied bief bier bies biet biff bifi biis birb bird bire biri birr birs birt bis- bisd bise biss bist bitd bite bits bitt brds brdt breb bred bree bref brei brer bres bret brid brie bris brit brrr brrs brsb brsr brst bsbd bseb bsed bsee bser bses bset bsff bsfs bsrd bssd bsse bsts btdt btie btrt btss bttb dbfs dbit dbrs dbss dbtt dddd ddes ddie ddre ddss ddts debe debi debs debt dedd dede dedi deeb deed deef deer dees deet defe deff defi defs deft deid deie deif deir deis deit der- derb dere derf deri derr ders des- dese desi dess dest dete detr dets dfds dfdt dfer dfrf dfri dftr dfts dibb dibe dibs dide didi dids dieb died dief dier dies diet dif- diff difs diii diis dird dire dirr dirs dirt dis- disd dise disi diss dist dite diti dits ditt dred dree dref drei dres dret drib drie drif drit drrs dsdr dsei dsif dsri dsrr dssi dsst dsts dted dtss ebbr ebbs ebed eber ebes ebid ebis ebit edde eddi edds ede- edei eder edes edie edif edis edit edss edts eede eeee eees eefe eers eese eesi eete eets efbr efes efet effi effs efit efsi eft- efts eid- eide eidi eidr eied eiei eier eies eifs eird eire eirs eisd eise eiss eist eitb eiti eitr erbb erbe erde erdf erdi erds ereb ered erei erer eres eret erfs erft erie eris erit erre errs erse ersi erst erts esbs esdi esds esee eser eses eset esfs esie esis esit esrd esri esse essi esst estd este estr ests etbr etds etee eter etes etfb etfe etre etsi ette etti fbis fbrs fbsd fdst fdti febs fede fedi feds feeb feed feer fees feet fefe feff fefi feid feie feir feis feit ferb ferd fere ferr fers fert fese fess fest fete feti fetr fets fett ffee ffff ffii ffrr ffss fftf fibe fibs fide fidf fids fief fier fies fife fiff fifi fift fiii fire firs fisd fise fisi fiss fist fite fiti fits fitt fred free frei fres fret frib frid frie fris frit frsb frst fsfi fssf ftdi fter ftii ftrs ftse ftsr i-be ibed ibes ibet ibfi ibid ibie ibis ibrd ibri ibsf ibss ibtb ibts idbe ided idee idef ider ides idid idie idir idis idre idrf idse idsf idss idts iedr ieds ieet ieie iere ieri iers iesi iesr iest ietf iett ifbb ifer ifes ifid ifis ifit ifrb ifrf ifri ifsb