-er -ey bbb bbd bbe bbi bbr bbs bby bdb bdd bde bdi bdr bds bdv bdy be- beb bed bee bei ber bes bev bey bi- bib bid bie bii bir bis biv biy brb brd bre bri brr brs brv bry bsb bsd bse bsi bsr bss bsv bsy bvb bvd bve bvi bvr bvs bvv by- byd bye byi byr bys dbb dbd dbe dbi dbr dbs dbv dby ddb ddd dde ddi ddr dds ddy de- deb ded dee dei der des dev dey di- dib did die dii dir dis div diy drb drd dre dri drr drs drv dry dsb dsd dse dsi dsr dss dsv dsy dvb dvd dve dvi dvr dvs dy- dyb dyd dye dyr dys dyy ebb ebd ebe ebi ebr ebs ebv eby ed- edb edd ede edi edr eds edy eeb eed eee eer ees eev eey eib eid eie eii eir eis eiv erb erd ere eri err ers erv ery es- esb esd ese esi esr ess esv esy evb evd eve evi evr evs evv evy eyd eye eyr eys i-d i-v ibb ibd ibe ibi ibr ibs ibv iby idb idd ide idi idr ids idv idy ie- ied iee iei ier ies iev iey iib iid iie iii iir iis ir- irb ird ire iri irr irs irv iry is- isb isd ise isi isr iss isv isy ivb ivd ive ivi ivr ivs ivv ivy iye iyr iys iyy rbb rbd rbe rbi rbr rbs rdb rdd rde rdi rdr rds rdv rdy re- reb red ree rei rer res rev rey rib rid rie rii rir ris riv riy rrb rrd rri rrr rrs rsb rsd rse rsi rsr rss rsv rvb rvd rve rvi rvr rvs rvv rvy ry- ryd rye ryr rys ryy sbb sbd sbe sbi sbr sbs sbv sby sdb sdd sde sdi sdr sds sdv sdy se- seb sed see sei ser ses sev sey sib sid sie sii sir sis siv sr- srb srd sre sri srr srs srv sry ss- ssb ssd sse ssi ssr sss ssv svb svd sve svi svr svs svv svy sy- syb syd sye syi syr sys v-e vbd vbi vbr vbs vbv vdb vdd vde vdi vdr vds vdv veb ved vee vei ver ves vey vi- vib vid vie vii vir vis viv viy vrb vrd vre vri vrr vrs vry vsb vsd vse vsi vsr vss vsv vvb vvi vvr vvs vvv vyd vye ybe ybi ybr ybs yby yde yds ydy yeb yed yee yei yer yes yev yey yid yie yii yir yis yre yrs ysb yse ysi ysr yss ysy yve yvi yvr yvy yyb yye yys yyy