-er -ey bbb bbd bbe bbo bbr bbw bby bdb bdd bde bdo bdr bdw bdy be- beb bed bee beo ber bew bey bob bod boe boo bor bow boy brb brd bre bro brr brw bry bwb bwd bwo bwr bwy by- byd bye byo byr dbb dbd dbe dbo dbr dby ddb ddd dde ddo ddr ddw ddy de- deb ded dee deo der dew dey dob dod doe doo dor dow doy drb drd dre dro drr drw dry dwb dwe dwo dwr dww dy- dyb dyd dye dyo dyr dyw dyy ebb ebd ebe ebo ebr ebw eby ed- edb edd ede edo edr edw edy eeb eed eee eeo eer eew eey eo- eob eod eoe eoo eor eow erb erd ere ero err erw ery ewb ewd ewe ewo ewr eww ewy eyd eye eyo eyr ob- obb obd obe obo obr obw oby odb odd ode odo odr oeb oed oee oeo oer oey oo- oob ood ooo oor oow or- orb ord ore oro orr ory owb owd owe owo oww oyd oye oyo rbb rbd rbe rbo rbr rbw rdb rdd rde rdo rdr rdy re- reb red ree reo rer rew rey rob rod roe roo ror row roy rrb rrd rrr rwb rwd rwe rwr rwy ry- ryd rye ryo ryr ryy wbb wbd wbe wbo wbr wbw wdb wdr wdy web wed wee weo wer wew wey wob wod woe woo wor wow woy wr- wrd wre wro wrr wrw wry wwd wwe wwo www wy- wyd wye wyo wyr ybe ybr yby yde ydo ydy yeb yed yee yeo yer yew yey yob yod yoe yoo yor yow yoy yre yro yyb yye yyy