-er b-u bbb bbe bbf bbg bbl bbr bbs bbt bbu be- beb bee bef beg bel ber bes bet beu bfb bfe bff bfg bfl bfr bfs bft bfu bgb bge bgf bgg bgl bgr bgs bgt bgu blb ble blf blg bll blr bls blt blu brb bre brf brg brl brr brs brt bru bsb bse bsf bsg bsl bsr bss bst bsu btb bte btf btg btl btr bts btt btu bub bue buf bug bul bur bus but buu ebb ebe ebf ebg ebl ebr ebs ebt ebu eeb eee eef eeg eel eer ees eet ef- efb efe eff efg efl efr efs eft egb ege egf egg egl egr egs egt egu elb ele elf elg ell elr els elt elu erb ere erf erg erl err ers ert eru es- esb ese esf esg esl esr ess est esu etb ete etf etg etl etr ets ett etu eu- eub eue euf eug eul eur eus eut fbb fbe fbf fbg fbl fbr fbs fbt fbu feb fee fef feg fel fer fes fet feu ffe fff ffg ffl ffr ffs fft ffu fgb fge fgf fgg fgl fgr fgs fgt flb fle flf flg fll flr fls flt flu frb fre frf frg frl frr frs frt fru fsb fse fsf fsg fsl fsr fss fst fsu ftb fte ftf ftg ftl ftr fts ftt ftu fub fue fuf fug ful fur fus fut fuu gbe gbf gbg gbl gbr gbs gbt gbu ge- geb gee gef geg gel ger ges get geu gfb gfe gff gfl gfr gfs gft ggb ggg ggr ggs ggt ggu glb gle glf glg gll glr gls glt glu grb gre grf grg grl grr grs grt gru gsb gse gsf gsg gsl gsr gss gst gsu gtb gte gtf gtg gtl gtr gts gtt gtu gu- gub gue guf gug gul gur gus gut guu lbb lbe lbf lbg lbl lbr lbs lbt lbu leb lee lef leg lel ler les let leu lfb lfe lff lfg lfl lfr lfs lft lfu lgb lge lgf lgg lgl lgr lgs lgt lgu llb lle llf llg lll llr lls llt llu lrb lrf lrg lrr lrs lrt lru lsb lse lsf lsg lsl lsr lss lst lsu ltb lte ltf ltg ltl ltr lts ltt ltu lub lue luf lug lul lur lus lut luu rbb rbe rbf rbg rbl rbr rbs rbt rbu re- reb ree ref reg rel rer res ret reu rfb rfe rff rfg rfl rfr rfs rft rfu rgb rge rgf rgg rgr rgs rgt rle rlf rlg rll rlr rls rlt rlu rrb rrf rrg rrl rrr rrs rrt rru rsb rse rsf rsg rsl rsr rss rst rsu rtb rte rtf rtg rtl rtr rts rtt rtu rub rue ruf rug rur rus rut ruu sbb sbe sbf sbg sbl sbr sbs sbt sbu se- seb see sef seg sel ser ses set seu sfb sfe sff sfg sfl sfr sfs sft sfu sgb sge sgf sgg sgl sgr sgs sgt sgu slb sle slf slg sll slr sls slt slu sr- srb sre srf srg srl srr srs srt ss- ssb sse ssf ssg ssl ssr sss sst ssu stb ste stf stg stl str sts stt stu sub sue suf sug sul sur sus sut suu tbb tbe tbf tbg tbl tbr tbs tbt tbu te- teb tee tef teg tel ter tes tet teu tfb tfe tff tfg tfl tfr tfs tft tfu tgb tge tgf tgg tgl tgr tgs tgt tgu tle tlf tlg tll tlr tls tlt tlu trb tre trf trg trl trr trs trt tru tsb tse tsf tsg tsl tsr tss tst tsu ttb tte ttf ttg ttl ttr tts ttt ttu tub tue tuf tug tul tur tus tut tuu ubb ube ubf ubg ubl ubr ubs ubt ubu ueb uee uef ueg uel uer ues uet ufe uff ufg ufl ufr ufs uft ufu ugb uge ugf ugg ugl ugr ugs ugt ugu ulb ule ulf ulg ull ulr uls ult ulu ur- urb ure urf urg url urr urs urt uru usb use usf usg usl usr uss ust usu utb ute utf utl utr uts utt utu uue uug uur uus uut uuu

bbbb bbbs bbeb bbet bblb bbls bbrg bebb bebe beeb beef beeg beel beer bees beet befe beff beft begg begs begu bele belg bell bels belt belu bere berg berr bers bert beru bes- bese bess best bete bets bett betu beur bffl bffs bfgf bfsr bfts bftt bggs bgst blbt bleb blee bleg bles blet bleu blls blrg blss blst blts blub blue bluf blur blus blut breb bree bref breg brel brer bres bret brfu brls brrr brrs brsb brsr brst brue brug brus brut bseb bsee bseg bser bses bset bsff bsfs bsgs bsse bsts btrt btss bttb btus bubb bube bubs bubu buel buer bueu bufe buff bufr buge bugg bugs bulb bule bulg bull buls bult bulu bur- burb bure burg burl burr burs burt buru buse buss bust busu but- bute buts butt buus ebbr ebbs ebel eber ebes ebru ebul ebur ebus eeee eees eefe eefl eegs eele eels eerg eers eese eete eets eetu ef-g efbr efes efet effs eft- efts eftu egbe egbu egee egel eger egfr eggb egge eggs egle eglu egre egsl egss egte egts el-b elbe elbu elee elef eler eles elet elfe elfs elft elgg elle ells ellu else elst elsu elte elts elue elul elus erbb erbe ereb erel erer eres eret erfs erft erg- ergg ergs erle erll erre errs erse erst ertl erts ertu erub erur erus esbs esee esel eser eses eset esfs esse essg essl esst essu este estr ests esuf esus etbr etee etel eter etes etfb etfe etre etsu ette ettu euer euge eule eur- eure eurt euse fble fbrs fbus febs feeb feel feer fees feet fefe feff fege fegg fegs