-er -ey b-u bbb bbd bbe bbf bbi bbk bbo bbr bbt bbu bby bdb bdd bde bdf bdi bdk bdo bdr bdt bdu bdv bdy be- beb bed bee bef bei bek beo ber bet beu bev bey bfb bfd bfe bff bfi bfo bfr bft bfu bfv bfy bi- bib bid bie bif bii bik bio bir bit biu biv biy bkb bke bkf bkk bko bkr bkt bkv bob bod boe bof boi bok boo bor bot bou bov boy brb brd bre brf bri brk bro brr brt bru brv bry btb btd bte btf bti btk bto btr btt btu btv bty bub bud bue buf bui buk buo bur but buu buy bvb bvd bve bvi bvk bvo bvr bvt bvu bvv by- byd bye byf byi byk byo byr byt byu dbb dbd dbe dbf dbi dbk dbo dbr dbt dbu dbv dby ddb ddd dde ddf ddi ddk ddo ddr ddt ddu ddy de- deb ded dee def dei dek deo der det deu dev dey dfb dfd dfe dff dfi dfk dfo dfr dft dfu dfv di- dib did die dif dii dik dio dir dit diu div diy dkb dke dki dkk dko dkr dkt dku dob dod doe dof doi dok doo dor dot dou dov doy drb drd dre dri drk dro drr drt dru drv dry dtb dtd dte dtf dti dtk dto dtr dtt dtu dtv dty dub dud due duf dui duk duo dur dut duv duy dvb dvd dve dvi dvk dvr dvt dvu dy- dyb dyd dye dyk dyo dyr dyu dyy ebb ebd ebe ebf ebi ebk ebo ebr ebt ebu ebv eby ed- edb edd ede edf edi edk edo edr edt edu edy eeb eed eee eef eek eeo eer eet eev eey ef- efb efd efe eff efi efo efr eft eib eid eie eif eii eik eio eir eit eiu eiv ekb ekd eke ekf eki eko ekr ekt eku ekv eky eo- eob eod eoe eof eoi eok eoo eor eot eou erb erd ere erf eri erk ero err ert eru erv ery etb etd ete etf eti etk eto etr ett etu etv ety eu- eub eud eue euf eui eur eut euv evb evd eve evf evi evo evr evt evv evy eyd eye eyo eyr eyt fbb fbd fbe fbf fbi fbk fbo fbr fbt fbu fdb fdd fde fdf fdi fdk fdo fdr fdt fdu feb fed fee fef fei fek feo fer fet feu fev fey ffd ffe fff ffi ffk ffo ffr fft ffu ffv ffy fib fid fie fif fii fik fir fit fiu fkb fkf fki fkk fkt fob foe fof foi fok foo for fot fou foy frb frd fre frf fri frk fro frr frt fru fry ftb ftd fte ftf fti ftk fto ftr ftt ftu ftv fty fub fud fue fuf fui fuk fuo fur fut fuu fuv fvd fvk fvt fy- fyb fye fyi fyk fyo i-d i-f i-v ibb ibd ibe ibf ibi ibk ibo ibr ibt ibu ibv iby idb idd ide idf idi idk ido idr idt idu idv idy ie- ied iee ief iei iek ier iet iev iey ifb ifd ife iff ifi ifo ifr ift ifu ify iib iid iie iif iii iio iir iit iiu ikb ike ikf iki ikk iko ikr ikt iku ikv io- iob iod ioe iof ioi ioo ior iot iou iov ir- irb ird ire irf iri irk iro irr irt iru irv iry itb itd ite itf iti itk ito itt itu itv ity iu- iub iud iue iui iur iut ivb ivd ive ivf ivi ivo ivr ivt ivu ivv ivy iye iyo iyr iyt iyy k-t kbb kbd kbe kbf kbi kbk kbo kbr kbu kdb kde kdf kdk kdo kdr kdt kdu kdy ke- keb ked kee kef kei kek keo ker ket kev key kfd kff kfi kfo kfu kib kid kie kif kii kik kio kir kit kiu kiv kkb kke kki kkk kkr kkt kku kkv kky kob kod koe kof koi kok koo kor kot kou koy krd krf kri krk kro krr krt kru krv kry ktb kte ktf ktk kto ktr ktt ktu ktv kub kud kue kui kuk kur kut kuu kuy kvb kvi kvk kvo kvr kvv kyd kye kyo kyr kyt kyu o-i ob- obb obd obe obf obi obk obo obr obt obu obv oby odb odd ode odf odi odo odr odt odu odv oeb oed oee oef oei oeo oer oet oey of- ofb ofd ofe off ofi ofo ofr oft ofu ofv oib oid oie oif oii oik oio oir oit oiu oiv okb okd oke oki okk oko okr oku oo- oob ood oof ooi ook ooo oor oot oov or- orb ord ore orf ori ork oro orr ort oru orv ory ot- otb otd ote otf oti otk oto otr ott otu otv ou- oud oue ouf oui ouk ouo our out ov- ovb ovd ove ovf ovi ovo ovv oyd oye oyi oyo rbb rbd rbe rbf rbi rbk rbo rbr rbt rbu rdb rdd rde rdf rdi rdo rdr rdt rdu rdv rdy re- reb red ree ref rei rek reo rer ret reu rev rey rfb rfd rfe rff rfi rfk rfo rfr rft rfu rfv rib rid rie rif rii rik rio rir rit riv riy rkb rke rkf rkk rko rkt rku rkv rky rob rod roe rof roi rok roo ror rot rou rov roy rrb rrd rrf rri rrk rrr rrt rru rtb rtd rte rtf rti rtk rto rtr rtt rtu rtv rty rub rud rue ruf rui ruk ruo rur rut ruu ruv ruy rvb rvd rve rvf rvi rvo rvr rvt rvu rvv rvy ry- ryd rye ryf ryk ryo ryr ryu ryy tbb tbd tbe tbf tbi tbk tbo tbr tbt tbu tbv tdb tdd tde tdf tdi tdk tdo