-er -ey b-u bbb bbe bbg bbn bbr bbs bbu bby be- beb bee beg ben ber bes beu bey bgb bge bgg bgn bgr bgs bgu bnb bne bng bnn bnr bns bnu brb bre brg brn brr brs bru bry bsb bse bsg bsn bsr bss bsu bsy bub bue bug bun bur bus buu buy by- bye byg byn byr bys byu ebb ebe ebg ebn ebr ebs ebu eby eeb eee eeg een eer ees eey egb ege egg egn egr egs egu egy en- enb ene eng enn enr ens enu eny erb ere erg ern err ers eru ery es- esb ese esg esn esr ess esu esy eu- eub eue eug eun eur eus eye eyn eyr eys gbe gbg gbn gbr gbs gbu gby ge- geb gee geg gen ger ges geu gey ggb ggg ggn ggr ggs ggu gnb gne gnn gnr gns gnu grb gre grg grn grr grs gru gry gsb gse gsg gsn gsr gss gsu gu- gub gue gug gun gur gus guu guy gy- gyb gye gyn gyr gys nbb nbe nbg nbn nbr nbs nbu ne- neb nee neg nen ner nes neu ney ngb nge ngg ngn ngs ngu nnb nne nng nnn nns nnu nrb nre nrg nrn nrr nrs nru nry nsb nse nsg nsn nsr nss nsu nsy nub nue nug nun nur nus nuu nuy nye nyg nyn nys nyu nyy rbb rbe rbg rbn rbr rbs rbu re- reb ree reg ren rer res reu rey rgb rge rgg rgn rgr rgs rnb rng rnn rnr rns rnu rny rrb rrg rrn rrr rrs rru rsb rse rsg rsn rsr rss rsu rub rue rug run rur rus ruu ruy ry- rye ryg ryn ryr rys ryu ryy sbb sbe sbg sbn sbr sbs sbu sby se- seb see seg sen ser ses seu sey sgb sge sgg sgn sgr sgs sgu snb sne sng snn snr sns snu sny sr- srb sre srg srn srr srs sry ss- ssb sse ssg ssn ssr sss ssu sub sue sug sun sur sus suu suy sy- syb sye syg syn syr sys syu ubb ube ubg ubn ubr ubs ubu uby ueb uee ueg uen uer ues uey ugb uge ugg ugn ugr ugs ugu un- unb une ung unn unr uns unu uny ur- urb ure urg urn urr urs uru ury usb use usg usn usr uss usu uue uug uun uur uus uuu uys uyu ybe ybg ybr ybs yby yeb yee yeg yen yer yes yey yne yng ynn yns ynu yny yre yrg yrn yrs yru ysb yse ysg ysr yss ysu ysy yue yug yun yur yus yuu yuy yyb yye yyg yys yyu yyy