-er bbb bbd bbe bbf bbk bbo bbr bdb bdd bde bdf bdj bdk bdo bdr be- beb bed bee bef bek beo ber bfb bfd bfe bff bfj bfo bfr bjd bjf bjj bjk bjr bkb bke bkf bkk bko bkr bob bod boe bof boj bok boo bor brb brd bre brf brj brk bro brr dbb dbd dbe dbf dbk dbo dbr ddb ddd dde ddf ddk ddo ddr de- deb ded dee def dej dek deo der dfb dfd dfe dff dfj dfk dfo dfr dj- djb djd dje djf djk djo dkb dke dkk dko dkr dob dod doe dof doj dok doo dor drb drd dre drj drk dro drr ebb ebd ebe ebf ebj ebk ebo ebr ed- edb edd ede edf edj edk edo edr eeb eed eee eef eek eeo eer ef- efb efd efe eff efo efr ejd ejf ejo ekb ekd eke ekf eko ekr eo- eob eod eoe eof eok eoo eor erb erd ere erf erk ero err fbb fbd fbe fbf fbk fbo fbr fdb fdd fde fdf fdj fdk fdo fdr feb fed fee fef fek feo fer ffd ffe fff ffk ffo ffr fjb fjd fkb fkf fkj fkk fob foe fof fok foo for frb frd fre frf frj frk fro frr j-d jbf jbj jbk jbo jbr jdb jde jdf jdo jdr jeb jed jee jef jej jek jeo jer jfb jfd jfe jff jfj jfk jfo jfr jjb jjf jjj jjk jjr jkb jkk jko jkr job jod joe jof joj jok joo jor jrb jrf jrk jro jrr kbb kbd kbe kbf kbk kbo kbr kdb kde kdf kdk kdo kdr ke- keb ked kee kef kek keo ker kfd kff kfo kjb kje kjr kkb kke kkk kkr kob kod koe kof kok koo kor krd krf krk kro krr ob- obb obd obe obf obj obk obo obr odb odd ode odf odo odr oeb oed oee oef oeo oer of- ofb ofd ofe off ofo ofr ojb ojd oje ojo okb okd oke okj okk oko okr oo- oob ood oof ook ooo oor or- orb ord ore orf ork oro orr rbb rbd rbe rbf rbk rbo rbr rdb rdd rde rdf rdj rdo rdr re- reb red ree ref rek reo rer rfb rfd rfe rff rfj rfk rfo rfr rjf rjk rjr rkb rke rkf rkk rko rob rod roe rof roj rok roo ror rrb rrd rrf rrk rrr