-er b-p bbb bbe bbg bbi bbp bbr bbs bbt be- beb bee beg bei bep ber bes bet bgb bge bgg bgi bgp bgr bgs bgt bi- bib bie big bii bip bir bis bit bpb bpe bpg bpi bpp bpr bps bpt brb bre brg bri brp brr brs brt bsb bse bsg bsi bsp bsr bss bst btb bte btg bti btp btr bts btt ebb ebe ebg ebi ebp ebr ebs ebt eeb eee eeg eep eer ees eet egb ege egg egi egp egr egs egt eib eie eig eii eip eir eis eit ep- epb epe epg epi epp epr eps ept erb ere erg eri erp err ers ert es- esb ese esg esi esp esr ess est etb ete etg eti etp etr ets ett g-p gbe gbg gbi gbp gbr gbs gbt ge- geb gee geg gei gep ger ges get ggb ggg ggi ggp ggr ggs ggt gib gie gig gii gip gir gis git gpb gpe gpg gpi gpp gpr gps gpt grb gre grg gri grp grr grs grt gsb gse gsg gsi gsp gsr gss gst gtb gte gtg gti gtp gtr gts gtt ibb ibe ibg ibi ibp ibr ibs ibt ie- iee ieg iei iep ier ies iet igb ige igg igi igp igr igs igt iib iie iii iip iir iis iit ipb ipe ipg ipi ipp ipr ips ipt ir- irb ire irg iri irp irr irs irt is- isb ise isg isi isp isr iss ist itb ite itg iti itp its itt p-p pbb pbe pbg pbi pbp pbr pbs pbt peb pee peg pei pep per pes pet pgb pge pgg pgi pgp pgr pgs pgt pib pie pig pii pip pir pis pit ppb ppe ppg ppi ppp ppr pps ppt prb pre prg pri prp prr prs prt ps- psb pse psg psi psp psr pss pst pt- ptb pte ptg pti ptp ptr pts ptt rbb rbe rbg rbi rbp rbr rbs rbt re- reb ree reg rei rep rer res ret rgb rge rgg rgi rgp rgr rgs rgt rib rie rig rii rip rir ris rit rpb rpe rpg rpi rpp rpr rps rpt rrb rrg rri rrp rrr rrs rrt rsb rse rsg rsi rsp rsr rss rst rtb rte rtg rti rtp rtr rts rtt sbb sbe sbg sbi sbp sbr sbs sbt se- seb see seg sei sep ser ses set sgb sge sgg sgi sgp sgr sgs sgt sib sie sig sii sip sir sis sit spb spe spg spi spp spr sps spt sr- srb sre srg sri srp srr srs srt ss- ssb sse ssg ssi ssp ssr sss sst stb ste stg sti stp str sts stt tbb tbe tbg tbi tbp tbr tbs tbt te- teb tee teg tei tep ter tes tet tgb tge tgg tgi tgp tgr tgs tgt tib tie tig tii tip tir tis tit tpb tpe tpg tpi tpp tpr tps tpt trb tre trg tri trp trr trs trt tsb tse tsg tsi tsp tsr tss tst ttb tte ttg tti ttp ttr tts ttt

bbbb bbbs bbeb bbet bbpr bbrg bebb bebe bebi beeb beeg beep beer bees beet begg begi begs beir beis beit bere berg beri berr bers bert bes- bese bess best bete beti bets bett bggs bgst bibb bibe bibi bibs bieb bier bies biet bigb bige bigg bigs bigt biis bipp bips birb bire birg biri birr birs birt bis- bise bisp biss bist bite bits bitt bpti breb bree breg brei brep brer bres bret brie brig bris brit brrr brrs brsb brsr brst bseb bsee bseg bser bses bset bsgs bspp bspr bsse bsts btbp btie btps btrt btss bttb ebbr ebbs eber ebes ebis ebit eeee eees eegs eeps eerg eers eese eesi eete eets egbe egee eger eggb egge eggi eggp eggs egir egis egpb egpe egpi egre egri egss egte egts eiei eier eies eige eigg eipr eire eirs eise eiss eist eitb eiti eitr epee eper epes epi- epie epip epis epit eppp epps eprb eprp eprs epsi epsp epss epte erbb erbe ereb erei erer eres eret erg- ergg ergi ergs erie eris erit erpe erps erre errs erse ersi erst erts esbs esee eser eses eset esie esis esit espe espi espp esps esri esse essg essi essp esst este estp estr ests etbr etee eter etes etre etsi ette etti gbbs gebe gebi geep geer gees geet gege gegg geie geig geir geis geit gepe gerb gere geri gers gert gesg gesi gess gest getb gete getg geti gets gett ggbt gggg ggss gibb gibe gibs gier gies giet gige gigg gigi gigs giis gipe gipi gipp gips gire girg giri girr girs girt gise giss gist gite gits gper gpgp gpip gprp gprs gpsg gpsi gpss grbr greb gree greg grep gres gret grib grie grig grip gris grit grps grrr grrs grss gsis gspt gsse gstr gtbr gtip i-be ibeg ibes ibet ibge ibie ibis ibri ibss ibtb ibts ieet ieie iere ieri iers iesg iesi iesr iest iett iger iges iget iggs igis igri igsp iies iiie iiii iiis iiit iirs iisi iisp iisr iist iitr iitt iper ipes ipet ipie ippr ipri ipse ipsi ipsp ipss ipts irbe irbp iree irer ires irgs iri- irie irig irip iris irpe irps irre irri irrs irse irsg irsp irte irti irtp irts isbe isbt iseb isee isep iser ises iset isie isis isit ispe ispr isps isrg isri isrp isse issi issp issr isss iste isti istp istr ists itbe itbs itep iter ites itet itgs itie itis itri itrs itse itsi itsp pbrs pbsp peep peer pees peet pegg pegs peip peir peis peit pepe pepi peps per- pere perg peri perp perr pers pert pese pesi pess pest pete peti petr pets pett pger pgib pgss pibb pibi piep pier pies piet pigb pigg pigp pigs pigt piip pipe pipi pipp pips