-er bbb bbe bbg bbi bbq bbr bbs bbt be- beb bee beg bei beq ber bes bet bev bgb bge bgg bgi bgr bgs bgt bgv bi- bib bie big bii bir bis bit biv bqe bqt brb bre brg bri brq brr brs brt brv bsb bse bsg bsi bsr bss bst bsv btb bte btg bti btq btr bts btt btv bvb bve bvg bvi bvr bvs bvt bvv ebb ebe ebg ebi ebq ebr ebs ebt ebv eeb eee eeg eer ees eet eev egb ege egg egi egr egs egt eib eie eig eii eir eis eit eiv eqe eqq eqs eqt eqv erb ere erg eri erq err ers ert erv es- esb ese esg esi esq esr ess est esv etb ete etg eti etr ets ett etv evb eve evg evi evr evs evt evv gbe gbg gbi gbr gbs gbt gbv ge- geb gee geg gei ger ges get gev ggb ggg ggi ggr ggs ggt ggv gib gie gig gii gir gis git giv gqs grb gre grg gri grq grr grs grt grv gsb gse gsg gsi gsr gss gst gsv gtb gte gtg gti gtq gtr gts gtt gtv gvb gve gvg gvi gvr gvs gvt i-v ibb ibe ibg ibi ibr ibs ibt ibv ie- iee ieg iei ier ies iet iev igb ige igg igi igr igs igt iib iie iii iir iis iit iqe iqs iqt ir- irb ire irg iri irq irr irs irt irv is- isb ise isg isi isq isr iss ist isv itb ite itg iti itq its itt itv ivb ive ivg ivi ivr ivs ivt ivv qbe qbq qbs qee qet qie qir qis qit qqq qrb qre qrg qri qrs qrt qsi qsr qst qti qtq qtr qts qtv qv- qve qvt rbb rbe rbg rbi rbr rbs rbt re- reb ree reg rei req rer res ret rev rgb rge rgg rgi rgr rgs rgt rgv rib rie rig rii riq rir ris rit riv rqs rrb rrg rri rrq rrr rrs rrt rsb rse rsg rsi rsq rsr rss rst rsv rtb rte rtg rti rtq rtr rts rtt rtv rvb rve rvg rvi rvr rvs rvt rvv sbb sbe sbg sbi sbq sbr sbs sbt sbv se- seb see seg sei seq ser ses set sev sgb sge sgg sgi sgr sgs sgt sgv sib sie sig sii siq sir sis sit siv sqi sqq sqr sqs sr- srb sre srg sri srq srr srs srt srv ss- ssb sse ssg ssi ssq ssr sss sst ssv stb ste stg sti stq str sts stt stv svb sve svg svi svq svr svs svt svv tbb tbe tbg tbi tbr tbs tbt tbv te- teb tee teg tei teq ter tes tet tev tgb tge tgg tgi tgr tgs tgt tgv tib tie tig tii tir tis tit tiv trb tre trg tri trq trr trs trt trv tsb tse tsg tsi tsq tsr tss tst tsv ttb tte ttg tti ttr tts ttt ttv tvb tve tvg tvi tvq tvr tvs tvt v-e vbg vbi vbr vbs vbv veb vee veg vei ver ves vet vgg vgr vgs vgt vi- vib vie vig vii vir vis vit viv vrb vre vrg vri vrr vrs vrt vsb vse vsg vsi vsr vss vst vsv vtb vte vtg vti vtr vts vtt vtv vvb vvg vvi vvr vvs vvt vvv