-er -ey bbb bbd bbe bbf bbi bbn bbo bbr bby bdb bdd bde bdf bdi bdo bdr bdy be- beb bed bee bef bei ben beo ber bey bfb bfd bfe bff bfi bfn bfo bfr bfy bi- bib bid bie bif bii bin bio bir biy bnb bnd bne bnf bni bnn bno bnr bob bod boe bof boi bon boo bor boy brb brd bre brf bri brn bro brr bry by- byd bye byf byi byn byo byr dbb dbd dbe dbf dbi dbn dbo dbr dby ddb ddd dde ddf ddi ddn ddo ddr ddy de- deb ded dee def dei den deo der dey dfb dfd dfe dff dfi dfn dfo dfr di- dib did die dif dii din dio dir diy dnb dnd dne dnf dni dnn dno dnr dny dob dod doe dof doi don doo dor doy drb drd dre dri drn dro drr dry dy- dyb dyd dye dyn dyo dyr dyy ebb ebd ebe ebf ebi ebn ebo ebr eby ed- edb edd ede edf edi edn edo edr edy eeb eed eee eef een eeo eer eey ef- efb efd efe eff efi efo efr eib eid eie eif eii ein eio eir en- enb end ene enf eni enn eno enr eny eo- eob eod eoe eof eoi eon eoo eor erb erd ere erf eri ern ero err ery eyd eye eyn eyo eyr fbb fbd fbe fbf fbi fbn fbo fbr fdb fdd fde fdf fdi fdn fdo fdr feb fed fee fef fei fen feo fer fey ffd ffe fff ffi ffn ffo ffr ffy fib fid fie fif fii fin fir fnb fnd fne fnf fni fnn fnr fob foe fof foi fon foo for foy frb frd fre frf fri frn fro frr fry fy- fyb fye fyi fyn fyo i-d i-f ibb ibd ibe ibf ibi ibn ibo ibr iby idb idd ide idf idi idn ido idr idy ie- ied iee ief iei ien ier iey ifb ifd ife iff ifi ifn ifo ifr ify iib iid iie iif iii iin iio iir in- inb ind ine inf ini inn ino inr iny io- iob iod ioe iof ioi ion ioo ior ir- irb ird ire irf iri irn iro irr iry iye iyo iyr iyy n-i nbb nbd nbe nbf nbi nbn nbo nbr ndb ndd nde ndf ndi ndn ndo ndr ndy ne- neb ned nee nef nei nen neo ner ney nfb nfd nfe nff nfi nfn nfo nfr nib nid nie nif nii nin nio nir nnb nne nnf nni nnn nno no- nob nod noe nof noi non noo nor noy nrb nrd nre nrf nri nrn nro nrr nry nyd nye nyf nyn nyo nyy o-i ob- obb obd obe obf obi obn obo obr oby odb odd ode odf odi odn odo odr oeb oed oee oef oei oen oeo oer oey of- ofb ofd ofe off ofi ofn ofo ofr oib oid oie oif oii oin oio oir on- onb ond one onf oni onn ono onr ony oo- oob ood oof ooi oon ooo oor or- orb ord ore orf ori orn oro orr ory oyd oye oyi oyo rbb rbd rbe rbf rbi rbn rbo rbr rdb rdd rde rdf rdi rdn rdo rdr rdy re- reb red ree ref rei ren reo rer rey rfb rfd rfe rff rfi rfn rfo rfr rib rid rie rif rii rin rio rir riy rnb rnd rni rnn rno rnr rny rob rod roe rof roi ron roo ror roy rrb rrd rrf rri rrn rrr ry- ryd rye ryf ryn ryo ryr ryy ybe ybf ybi ybr yby yde ydn ydo ydy yeb yed yee yef yei yen yeo yer yey yfd yfe yff yfr yid yie yif yii yin yio yir ynd yne ynn yny yob yod yoe yof yoi yon yoo yor yoy yre yrf yrn yro yyb yye yyf yyy