-er -ey b-u bbb bbe bbg bbi bbo bbr bbs bbu bby be- beb bee beg bei beo ber bes beu bey bgb bge bgg bgi bgo bgr bgs bgu bi- bib bie big bii bio bir bis biu biy bob boe bog boi boo bor bos bou boy brb bre brg bri bro brr brs bru bry bsb bse bsg bsi bso bsr bss bsu bsy bub bue bug bui buo bur bus buu buy by- bye byg byi byo byr bys byu ebb ebe ebg ebi ebo ebr ebs ebu eby eeb eee eeg eeo eer ees eey egb ege egg egi ego egr egs egu egy eib eie eig eii eio eir eis eiu eo- eob eoe eog eoi eoo eor eos eou erb ere erg eri ero err ers eru ery es- esb ese esg esi eso esr ess esu esy eu- eub eue eug eui eur eus eye eyo eyr eys gbe gbg gbi gbo gbr gbs gbu gby ge- geb gee geg gei geo ger ges geu gey ggb ggg ggi ggo ggr ggs ggu gib gie gig gii gio gir gis giu giy gob goe gog goi goo gor gos gou goy grb gre grg gri gro grr grs gru gry gsb gse gsg gsi gso gsr gss gsu gu- gub gue gug gui guo gur gus guu guy gy- gyb gye gyo gyr gys ibb ibe ibg ibi ibo ibr ibs ibu iby ie- iee ieg iei ier ies iey igb ige igg igi igo igr igs igu igy iib iie iii iio iir iis iiu io- iob ioe iog ioi ioo ior ios iou ir- irb ire irg iri iro irr irs iru iry is- isb ise isg isi iso isr iss isu isy iu- iub iue iug iui iur ius iye iyo iyr iys iyy o-i ob- obb obe obg obi obo obr obs obu oby oeb oee oeg oei oeo oer oes oey oge ogg ogi ogo ogs ogy oib oie oii oio oir ois oiu oo- oob oog ooi ooo oor oos or- orb ore org ori oro orr ors oru ory os- osb ose osg osi oso osr oss osu ou- oue oui ouo our ous oye oyi oyo oys rbb rbe rbg rbi rbo rbr rbs rbu re- reb ree reg rei reo rer res reu rey rgb rge rgg rgi rgo rgr rgs rib rie rig rii rio rir ris riy rob roe rog roi roo ror ros rou roy rrb rrg rri rrr rrs rru rsb rse rsg rsi rso rsr rss rsu rub rue rug rui ruo rur rus ruu ruy ry- rye ryg ryo ryr rys ryu ryy sbb sbe sbg sbi sbo sbr sbs sbu sby se- seb see seg sei seo ser ses seu sey sgb sge sgg sgi sgo sgr sgs sgu sib sie sig sii sio sir sis siu sob soe sog soi soo sor sos sou soy sr- srb sre srg sri sro srr srs sry ss- ssb sse ssg ssi sso ssr sss ssu sub sue sug sui suo sur sus suu suy sy- syb sye syg syi syr sys syu ubb ube ubg ubi ubo ubr ubs ubu uby ueb uee ueg uei uer ues uey ugb uge ugg ugi ugo ugr ugs ugu uib uie uig uii uio uir uis uiu uob uoe uog uoo uor uos ur- urb ure urg uri uro urr urs uru ury usb use usg usi uso usr uss usu uue uug uur uus uuu uyi uyo uys uyu ybe ybg ybi ybr ybs yby yeb yee yeg yei yeo yer yes yey ygo yie yig yii yio yir yis yob yoe yog yoi yoo yor yos you yoy yre yrg yro yrs yru ysb yse ysg ysi yso ysr yss ysu ysy yue yug yui yuo yur yus yuu yuy yyb yye yyg yys yyu yyy