-er -ey b-u bbb bbd bbe bbg bbo bbr bbu bby bdb bdd bde bdg bdo bdr bdu bdy be- beb bed bee beg beo ber beu bey bgb bgd bge bgg bgo bgr bgu bob bod boe bog boo bor bou boy brb brd bre brg bro brr bru bry bub bud bue bug buo bur buu buy by- byd bye byg byo byr byu dbb dbd dbe dbg dbo dbr dbu dby ddb ddd dde ddg ddo ddr ddu ddy de- deb ded dee deg deo der deu dey dgd dge dgg dgr dgu dob dod doe dog doo dor dou doy drb drd dre drg dro drr dru dry dub dud due dug duo dur duy dy- dyb dyd dye dyo dyr dyu dyy ebb ebd ebe ebg ebo ebr ebu eby ed- edb edd ede edg edo edr edu edy eeb eed eee eeg eeo eer eey egb egd ege egg ego egr egu egy eo- eob eod eoe eog eoo eor eou erb erd ere erg ero err eru ery eu- eub eud eue eug eur eyd eye eyo eyr g-d gbd gbe gbg gbo gbr gbu gby gdb gdd gde gdo gdr gdu ge- geb ged gee geg geo ger geu gey ggb ggd ggg ggo ggr ggu gob god goe gog goo gor gou goy grb grd gre grg gro grr gru gry gu- gub gud gue gug guo gur guu guy gy- gyb gyd gye gyo gyr ob- obb obd obe obg obo obr obu oby odb odd ode odg odo odr odu oeb oed oee oeg oeo oer oey ogd oge ogg ogo ogy oo- oob ood oog ooo oor or- orb ord ore org oro orr oru ory ou- oud oue ouo our oyd oye oyo rbb rbd rbe rbg rbo rbr rbu rdb rdd rde rdg rdo rdr rdu rdy re- reb red ree reg reo rer reu rey rgb rgd rge rgg rgo rgr rob rod roe rog roo ror rou roy rrb rrd rrg rrr rru rub rud rue rug ruo rur ruu ruy ry- ryd rye ryg ryo ryr ryu ryy ubb ube ubg ubo ubr ubu uby udb udd ude udg udo udr udu ueb ued uee ueg uer uey ugb uge ugg ugo ugr ugu uob uod uoe uog uoo uor ur- urb urd ure urg uro urr uru ury uue uug uur uuu uyo uyu ybe ybg ybr yby yde ydg ydo ydy yeb yed yee yeg yeo yer yey ygo yob yod yoe yog yoo yor you yoy yre yrg yro yru yud yue yug yuo yur yuu yuy yyb yye yyg yyu yyy