-er -ey b-u bbb bbd bbe bbg bbo bbr bbs bbu bby bdb bdd bde bdg bdo bdr bds bdu bdy be- beb bed bee beg beo ber bes beu bey bgb bgd bge bgg bgo bgr bgs bgu bob bod boe bog boo bor bos bou boy brb brd bre brg bro brr brs bru bry bsb bsd bse bsg bso bsr bss bsu bsy bub bud bue bug buo bur bus buu buy by- byd bye byg byo byr bys byu dbb dbd dbe dbg dbo dbr dbs dbu dby ddb ddd dde ddg ddo ddr dds ddu ddy de- deb ded dee deg deo der des deu dey dgd dge dgg dgr dgs dgu dob dod doe dog doo dor dos dou doy drb drd dre drg dro drr drs dru dry dsb dsd dse dsg dso dsr dss dsu dsy dub dud due dug duo dur dus duy dy- dyb dyd dye dyo dyr dys dyu dyy ebb ebd ebe ebg ebo ebr ebs ebu eby ed- edb edd ede edg edo edr eds edu edy eeb eed eee eeg eeo eer ees eey egb egd ege egg ego egr egs egu egy eo- eob eod eoe eog eoo eor eos eou erb erd ere erg ero err ers eru ery es- esb esd ese esg eso esr ess esu esy eu- eub eud eue eug eur eus eyd eye eyo eyr eys g-d gbd gbe gbg gbo gbr gbs gbu gby gdb gdd gde gdo gdr gds gdu ge- geb ged gee geg geo ger ges geu gey ggb ggd ggg ggo ggr ggs ggu gob god goe gog goo gor gos gou goy grb grd gre grg gro grr grs gru gry gsb gsd gse gsg gso gsr gss gsu gu- gub gud gue gug guo gur gus guu guy gy- gyb gyd gye gyo gyr gys ob- obb obd obe obg obo obr obs obu oby odb odd ode odg odo odr ods odu oeb oed oee oeg oeo oer oes oey ogd oge ogg ogo ogs ogy oo- oob ood oog ooo oor oos or- orb ord ore org oro orr ors oru ory os- osb osd ose osg oso osr oss osu ou- oud oue ouo our ous oyd oye oyo oys rbb rbd rbe rbg rbo rbr rbs rbu rdb rdd rde rdg rdo rdr rds rdu rdy re- reb red ree reg reo rer res reu rey rgb rgd rge rgg rgo rgr rgs rob rod roe rog roo ror ros rou roy rrb rrd rrg rrr rrs rru rsb rsd rse rsg rso rsr rss rsu rub rud rue rug ruo rur rus ruu ruy ry- ryd rye ryg ryo ryr rys ryu ryy sbb sbd sbe sbg sbo sbr sbs sbu sby sdb sdd sde sdg sdo sdr sds sdu sdy se- seb sed see seg seo ser ses seu sey sgb sgd sge sgg sgo sgr sgs sgu sob sod soe sog soo sor sos sou soy sr- srb srd sre srg sro srr srs sry ss- ssb ssd sse ssg sso ssr sss ssu sub sud sue sug suo sur sus suu suy sy- syb syd sye syg syr sys syu ubb ube ubg ubo ubr ubs ubu uby udb udd ude udg udo udr uds udu ueb ued uee ueg uer ues uey ugb uge ugg ugo ugr ugs ugu uob uod uoe uog uoo uor uos ur- urb urd ure urg uro urr urs uru ury usb usd use usg uso usr uss usu uue uug uur uus uuu uyo uys uyu ybe ybg ybr ybs yby yde ydg ydo yds ydy yeb yed yee yeg yeo yer yes yey ygo yob yod yoe yog yoo yor yos you yoy yre yrg yro yrs yru ysb yse ysg yso ysr yss ysu ysy yud yue yug yuo yur yus yuu yuy yyb yye yyg yys yyu yyy