-er -ey b-u bbb bbe bbn bbr bbu bby be- beb bee ben ber beu bey bjj bjn bjr bju bnb bne bnj bnn bnr bnu brb bre brj brn brr bru bry bub bue buj bun bur buu buy by- bye byj byn byr byu ebb ebe ebj ebn ebr ebu eby eeb eee een eer eey eju en- enb ene enn enr enu eny erb ere ern err eru ery eu- eub eue euj eun eur eye eyn eyr jbj jbr jbu jeb jee jej jen jer jeu jey jjb jjj jjr jju jjy jne jnj jnn jnr jnu jrb jrn jrr jub jue jun jur juy jyj jyr nbb nbe nbn nbr nbu ne- neb nee nej nen ner neu ney nje njn nju nnb nne nnn nnu nrb nre nrj nrn nrr nru nry nub nue nuj nun nur nuu nuy nye nyn nyu nyy rbb rbe rbn rbr rbu re- reb ree ren rer reu rey rjr rnb rnn rnr rnu rny rrb rrn rrr rru rub rue run rur ruu ruy ry- rye ryn ryr ryu ryy ubb ube ubn ubr ubu uby ueb uee uen uer uey un- unb une unn unr unu uny ur- urb ure urn urr uru ury uue uun uur uuu uyu ybe ybr yby yeb yee yen yer yey yne ynn ynu yny yre yrn yru yue yuj yun yur yuu yuy yyb yye yyu yyy