-er -ey bbb bbd bbe bbn bbo bbr bbs bbt bby bdb bdd bde bdo bdr bds bdt bdy be- beb bed bee ben beo ber bes bet bey bnb bnd bne bnn bno bnr bns bnt bob bod boe bon boo bor bos bot boy brb brd bre brn bro brr brs brt bry bsb bsd bse bsn bso bsr bss bst bsy btb btd bte btn bto btr bts btt bty by- byd bye byn byo byr bys byt dbb dbd dbe dbn dbo dbr dbs dbt dby ddb ddd dde ddn ddo ddr dds ddt ddy de- deb ded dee den deo der des det dey dnb dnd dne dnn dno dnr dns dnt dny dob dod doe don doo dor dos dot doy drb drd dre drn dro drr drs drt dry dsb dsd dse dsn dso dsr dss dst dsy dtb dtd dte dtn dto dtr dts dtt dty dy- dyb dyd dye dyn dyo dyr dys dyy ebb ebd ebe ebn ebo ebr ebs ebt eby ed- edb edd ede edn edo edr eds edt edy eeb eed eee een eeo eer ees eet eey en- enb end ene enn eno enr ens ent eny eo- eob eod eoe eon eoo eor eos eot erb erd ere ern ero err ers ert ery es- esb esd ese esn eso esr ess est esy etb etd ete etn eto etr ets ett ety eyd eye eyn eyo eyr eys eyt nbb nbd nbe nbn nbo nbr nbs nbt ndb ndd nde ndn ndo ndr nds ndt ndy ne- neb ned nee nen neo ner nes net ney nnb nne nnn nno nns nnt no- nob nod noe non noo nor nos not noy nrb nrd nre nrn nro nrr nrs nrt nry nsb nsd nse nsn nso nsr nss nst nsy ntb ntd nte ntn nto ntr nts ntt nyd nye nyn nyo nys nyt nyy ob- obb obd obe obn obo obr obs obt oby odb odd ode odn odo odr ods odt oeb oed oee oen oeo oer oes oet oey on- onb ond one onn ono onr ons ont ony oo- oob ood oon ooo oor oos oot or- orb ord ore orn oro orr ors ort ory os- osb osd ose osn oso osr oss ost ot- otb otd ote otn oto otr ots ott oyd oye oyo oys rbb rbd rbe rbn rbo rbr rbs rbt rdb rdd rde rdn rdo rdr rds rdt rdy re- reb red ree ren reo rer res ret rey rnb rnd rnn rno rnr rns rnt rny rob rod roe ron roo ror ros rot roy rrb rrd rrn rrr rrs rrt rsb rsd rse rsn rso rsr rss rst rtb rtd rte rtn rto rtr rts rtt rty ry- ryd rye ryn ryo ryr rys ryy sbb sbd sbe sbn sbo sbr sbs sbt sby sdb sdd sde sdn sdo sdr sds sdt sdy se- seb sed see sen seo ser ses set sey snb snd sne snn sno snr sns snt sny sob sod soe son soo sor sos sot soy sr- srb srd sre srn sro srr srs srt sry ss- ssb ssd sse ssn sso ssr sss sst stb std ste stn sto str sts stt sty sy- syb syd sye syn syr sys syt tbb tbd tbe tbn tbo tbr tbs tbt tdb tdd tde tdn tdo tdr tds tdt tdy te- teb ted tee ten teo ter tes tet tey tnb tnd tne tnn tno tnr tns tnt to- tob tod toe ton too tor tos tot toy trb trd tre trn tro trr trs trt try tsb tsd tse tsn tso tsr tss tst tsy ttb ttd tte ttn tto ttr tts ttt tty tyd tye tyn tyo tyr tys tyt ybe ybr ybs yby yde ydn ydo yds ydt ydy yeb yed yee yen yeo yer yes yet yey ynd yne ynn yns yny yob yod yoe yon yoo yor yos yot yoy yre yrn yro yrs yrt ysb yse yso ysr yss yst ysy ytd yte ytn yto ytr yts ytt yyb yye yys yyt yyy