-er -ey b-u bbb bbc bbd bbe bbf bbk bbm bbr bbu bby bcb bcc bcd bce bcf bck bcm bcr bcu bcy bdb bdc bdd bde bdf bdk bdm bdr bdu bdy be- beb bec bed bee bef bek bem ber beu bey bfb bfc bfd bfe bff bfm bfr bfu bfy bkb bkc bke bkf bkk bkm bkr bmb bmc bmd bme bmf bmk bmm bmr bmu brb brd bre brf brk brm brr bru bry bub buc bud bue buf buk bum bur buu buy by- byc byd bye byf byk bym byr byu c-- cbb cbc cbd cbe cbf cbk cbm cbr cbu cby ccb ccc ccd cce ccf cck ccm ccr ccu cdb cdc cdd cde cdf cdk cdm cdr cdu cdy ce- ceb cec ced cee cef cek cem cer ceu cey cfb cfc cfd cfe cff cfk cfm cfr cfu ckb ckc ckd ckm cky cmb cmc cmd cme cmf cmk cmm cmr cmu cmy crb crc crd cre crf crk crm crr cru cry cub cuc cud cue cuf cuk cum cur cuu cuy cyb cyc cyd cye cyf cyk cym cyr dbb dbc dbd dbe dbf dbk dbm dbr dbu dby dcb dcc dcd dce dcf dck dcm dcr dcu ddb ddc ddd dde ddf ddk ddm ddr ddu ddy de- deb dec ded dee def dek dem der deu dey dfb dfc dfd dfe dff dfk dfm dfr dfu dkb dkc dke dkk dkm dkr dku dmb dmc dmd dme dmf dmk dmm dmr dmu drb drc drd dre drk drm drr dru dry dub duc dud due duf duk dum dur duy dy- dyb dyc dyd dye dyk dym dyr dyu dyy ebb ebc ebd ebe ebf ebk ebm ebr ebu eby ec- ecb ecc ecd ece ecf eck ecm ecr ecu ed- edb edc edd ede edf edk edm edr edu edy eeb eec eed eee eef eek eem eer eey ef- efb efc efd efe eff efm efr ekb ekc ekd eke ekf ekr eku eky em- emb emc emd eme emf emk emm emr emu erb erc erd ere erf erk erm err eru ery eu- eub euc eud eue euf eur eyc eyd eye eym eyr fbb fbc fbd fbe fbf fbk fbm fbr fbu fcb fcc fcd fce fcf fck fcm fcr fcu fcy fdb fdc fdd fde fdf fdk fdm fdr fdu feb fec fed fee fef fek fem fer feu fey ffc ffd ffe fff ffk ffm ffr ffu ffy fkb fkc fkf fkk fkm fmb fmc fmd fme fmf fmm fmr fmu frb frc frd fre frf frk frm frr fru fry fub fud fue fuf fuk fum fur fuu fy- fyb fyc fye fyk kbb kbc kbd kbe kbf kbk kbm kbr kbu kcb kcc kcd kce kck kcm kcr kcu kdb kdc kde kdf kdk kdm kdr kdu kdy ke- keb kec ked kee kef kek kem ker key kfc kfd kff kfm kfu kkb kkc kke kkk kkm kkr kku kky kmb kmc kmd kme kmf kmk kmm kmu krc krd krf krk krr kru kry kub kuc kud kue kuk kum kur kuu kuy kyc kyd kye kym kyr kyu m-f m-r mbb mbc mbd mbe mbf mbk mbm mbr mbu mc- mcb mcc mcd mce mcf mck mcm mcr mcu mdb mdc mdd mde mdf mdk mdm mdr mdu mdy meb mec med mee mef mek mem mer meu mey mfb mfc mfd mfe mff mfm mfr mfu mfy mkb mkc mkd mke mkk mkm mkr mku mky mmb mmc mmd mme mmf mmk mmm mmr mmu mrb mrc mrd mre mrf mrk mrm mrr mru mry mub muc mud mue muf muk mum mur muu muy my- myb myc myd mye myf myk mym myr myu rbb rbc rbd rbe rbf rbk rbm rbr rbu rcb rcc rcd rce rcf rcm rcr rcu rdb rdc rdd rde rdf rdm rdr rdu rdy re- reb rec red ree ref rek rem rer reu rey rfb rfc rfd rfe rff rfk rfm rfr rfu rkb rkc rke rkf rkk rkm rku rky rmb rmc rmd rme rmf rmm rmr rrb rrc rrd rrf rrk rrm rrr rru rub ruc rud rue ruf ruk rum rur ruu ruy ry- ryc ryd rye ryf ryk rym ryr ryu ryy ubb ubc ube ubf ubk ubr ubu uby ucb ucc ucd uce ucf uck ucm ucr ucu udb udc udd ude udf udk udm udr udu ueb uec ued uee uef uem uer uey ufc ufd ufe uff ufm ufr ufu ukb ukc uke ukf ukk ukr uku um- umb umc umd ume umf umm umr umu ur- urb urc urd ure urf urk urm urr uru ury uuc uue uum uur uuu uyc uyu ybc ybe ybf ybm ybr yby ycc ycd yce ycf ycu ycy yde ydy yeb yec yed yee yef yek yem yer yey yfc yfd yfe yff yfm yfr yfu ykk ykm ymc yme ymm yrc yre yrf yru yud yue yuk yum yur yuu yuy yyb yyc yye yyf yyu yyy