-er -ey b-u bbb bbe bbg bbn bbo bbr bbu bby be- beb bee beg ben beo ber beu bey bgb bge bgg bgn bgo bgr bgu bnb bne bng bnn bno bnr bnu bob boe bog bon boo bor bou boy brb bre brg brn bro brr bru bry bub bue bug bun buo bur buu buy by- bye byg byn byo byr byu ebb ebe ebg ebn ebo ebr ebu eby eeb eee eeg een eeo eer eey egb ege egg egn ego egr egu egy en- enb ene eng enn eno enr enu eny eo- eob eoe eog eon eoo eor eou erb ere erg ern ero err eru ery eu- eub eue eug eun eur eye eyn eyo eyr gbe gbg gbn gbo gbr gbu gby ge- geb gee geg gen geo ger geu gey ggb ggg ggn ggo ggr ggu gnb gne gnn gno gnr gnu gob goe gog gon goo gor gou goy grb gre grg grn gro grr gru gry gu- gub gue gug gun guo gur guu guy gy- gyb gye gyn gyo gyr nbb nbe nbg nbn nbo nbr nbu ne- neb nee neg nen neo ner neu ney ngb nge ngg ngn ngo ngu nnb nne nng nnn nno nnu no- nob noe nog non noo nor nou noy nrb nre nrg nrn nro nrr nru nry nub nue nug nun nuo nur nuu nuy nye nyg nyn nyo nyu nyy ob- obb obe obg obn obo obr obu oby oeb oee oeg oen oeo oer oey oge ogg ogn ogo ogy on- onb one ong onn ono onr onu ony oo- oob oog oon ooo oor or- orb ore org orn oro orr oru ory ou- oue oun ouo our oye oyo rbb rbe rbg rbn rbo rbr rbu re- reb ree reg ren reo rer reu rey rgb rge rgg rgn rgo rgr rnb rng rnn rno rnr rnu rny rob roe rog ron roo ror rou roy rrb rrg rrn rrr rru rub rue rug run ruo rur ruu ruy ry- rye ryg ryn ryo ryr ryu ryy ubb ube ubg ubn ubo ubr ubu uby ueb uee ueg uen uer uey ugb uge ugg ugn ugo ugr ugu un- unb une ung unn uno unr unu uny uob uoe uog uon uoo uor ur- urb ure urg urn uro urr uru ury uue uug uun uur uuu uyo uyu ybe ybg ybr yby yeb yee yeg yen yeo yer yey ygo yne yng ynn ynu yny yob yoe yog yon yoo yor you yoy yre yrg yrn yro yru yue yug yun yuo yur yuu yuy yyb yye yyg yyu yyy