-er -ey bbb bbc bbd bbe bbn bbr bby bcb bcc bcd bce bcn bcr bcy bdb bdc bdd bde bdr bdy be- beb bec bed bee ben ber bey bnb bnc bnd bne bnn bnr brb brd bre brn brr bry by- byc byd bye byn byr c-- cbb cbc cbd cbe cbn cbr cby ccb ccc ccd cce ccn ccr cdb cdc cdd cde cdn cdr cdy ce- ceb cec ced cee cen cer cey cn- cnb cnc cnd cne cnn cnr cny crb crc crd cre crn crr cry cyb cyc cyd cye cyn cyr dbb dbc dbd dbe dbn dbr dby dcb dcc dcd dce dcn dcr ddb ddc ddd dde ddn ddr ddy de- deb dec ded dee den der dey dnb dnc dnd dne dnn dnr dny drb drc drd dre drn drr dry dy- dyb dyc dyd dye dyn dyr dyy ebb ebc ebd ebe ebn ebr eby ec- ecb ecc ecd ece ecn ecr ed- edb edc edd ede edn edr edy eeb eec eed eee een eer eey en- enb enc end ene enn enr eny erb erc erd ere ern err ery eyc eyd eye eyn eyr nbb nbc nbd nbe nbn nbr ncb ncc ncd nce ncn ncr ndb ndc ndd nde ndn ndr ndy ne- neb nec ned nee nen ner ney nnb nnc nne nnn nrb nrc nrd nre nrn nrr nry nyc nyd nye nyn nyy rbb rbc rbd rbe rbn rbr rcb rcc rcd rce rcn rcr rdb rdc rdd rde rdn rdr rdy re- reb rec red ree ren rer rey rnb rnc rnd rnn rnr rny rrb rrc rrd rrn rrr ry- ryc ryd rye ryn ryr ryy ybc ybe ybr yby ycc ycd yce ycy yde ydn ydy yeb yec yed yee yen yer yey ynd yne ynn yny yrc yre yrn yyb yyc yye yyy