-er -ey bbb bbd bbe bbg bbr bbs bby bdb bdd bde bdg bdr bds bdy be- beb bed bee beg ber bes bey bgb bgd bge bgg bgr bgs brb brd bre brg brr brs bry bsb bsd bse bsg bsr bss bsy by- byd bye byg byr bys dbb dbd dbe dbg dbr dbs dby ddb ddd dde ddg ddr dds ddy de- deb ded dee deg der des dey dgd dge dgg dgr dgs drb drd dre drg drr drs dry dsb dsd dse dsg dsr dss dsy dy- dyb dyd dye dyr dys dyy ebb ebd ebe ebg ebr ebs eby ed- edb edd ede edg edr eds edy eeb eed eee eeg eer ees eey egb egd ege egg egr egs egy erb erd ere erg err ers ery es- esb esd ese esg esr ess esy eyd eye eyr eys g-d gbd gbe gbg gbr gbs gby gdb gdd gde gdr gds ge- geb ged gee geg ger ges gey ggb ggd ggg ggr ggs grb grd gre grg grr grs gry gsb gsd gse gsg gsr gss gy- gyb gyd gye gyr gys rbb rbd rbe rbg rbr rbs rdb rdd rde rdg rdr rds rdy re- reb red ree reg rer res rey rgb rgd rge rgg rgr rgs rrb rrd rrg rrr rrs rsb rsd rse rsg rsr rss ry- ryd rye ryg ryr rys ryy sbb sbd sbe sbg sbr sbs sby sdb sdd sde sdg sdr sds sdy se- seb sed see seg ser ses sey sgb sgd sge sgg sgr sgs sr- srb srd sre srg srr srs sry ss- ssb ssd sse ssg ssr sss sy- syb syd sye syg syr sys ybe ybg ybr ybs yby yde ydg yds ydy yeb yed yee yeg yer yes yey yre yrg yrs ysb yse ysg ysr yss ysy yyb yye yyg yys yyy