-er -ey b-u bbb bbd bbe bbi bbn bbr bbu bby bdb bdd bde bdi bdr bdu bdy be- beb bed bee bei ben ber beu bey bi- bib bid bie bii bin bir biu biy bnb bnd bne bni bnn bnr bnu brb brd bre bri brn brr bru bry bub bud bue bui bun bur buu buy by- byd bye byi byn byr byu dbb dbd dbe dbi dbn dbr dbu dby ddb ddd dde ddi ddn ddr ddu ddy de- deb ded dee dei den der deu dey di- dib did die dii din dir diu diy dnb dnd dne dni dnn dnr dny drb drd dre dri drn drr dru dry dub dud due dui dun dur duy dy- dyb dyd dye dyn dyr dyu dyy ebb ebd ebe ebi ebn ebr ebu eby ed- edb edd ede edi edn edr edu edy eeb eed eee een eer eey eib eid eie eii ein eir eiu en- enb end ene eni enn enr enu eny erb erd ere eri ern err eru ery eu- eub eud eue eui eun eur eyd eye eyn eyr i-d ibb ibd ibe ibi ibn ibr ibu iby idb idd ide idi idn idr idu idy ie- ied iee iei ien ier iey iib iid iie iii iin iir iiu in- inb ind ine ini inn inr inu iny ir- irb ird ire iri irn irr iru iry iu- iub iud iue iui iur iye iyr iyy n-i nbb nbd nbe nbi nbn nbr nbu ndb ndd nde ndi ndn ndr ndu ndy ne- neb ned nee nei nen ner neu ney nib nid nie nii nin nir niu nnb nne nni nnn nnu nrb nrd nre nri nrn nrr nru nry nub nud nue nui nun nur nuu nuy nyd nye nyn nyu nyy rbb rbd rbe rbi rbn rbr rbu rdb rdd rde rdi rdn rdr rdu rdy re- reb red ree rei ren rer reu rey rib rid rie rii rin rir riy rnb rnd rni rnn rnr rnu rny rrb rrd rri rrn rrr rru rub rud rue rui run rur ruu ruy ry- ryd rye ryn ryr ryu ryy ubb ube ubi ubn ubr ubu uby udb udd ude udi udn udr udu ueb ued uee uei uen uer uey uib uid uie uii uin uir uiu un- unb und une uni unn unr unu uny ur- urb urd ure uri urn urr uru ury uue uun uur uuu uyi uyu ybe ybi ybr yby yde ydn ydy yeb yed yee yei yen yer yey yid yie yii yin yir ynd yne ynn ynu yny yre yrn yru yud yue yui yun yur yuu yuy yyb yye yyu yyy