-er bbb bbd bbe bbf bbh bbk bbn bbo bbr bdb bdd bde bdf bdh bdk bdo bdr be- beb bed bee bef beh bek ben beo ber bfb bfd bfe bff bfh bfn bfo bfr bhb bhd bhe bhf bhh bhk bho bhr bkb bke bkf bkk bkn bko bkr bnb bnd bne bnf bnk bnn bno bnr bob bod boe bof boh bok bon boo bor brb brd bre brf brh brk brn bro brr dbb dbd dbe dbf dbh dbk dbn dbo dbr ddb ddd dde ddf ddh ddk ddn ddo ddr de- deb ded dee def deh dek den deo der dfb dfd dfe dff dfh dfk dfn dfo dfr dh- dhb dhd dhe dhf dhh dhk dho dhr dkb dke dkk dko dkr dnb dnd dne dnf dnh dnk dnn dno dnr dob dod doe dof doh dok don doo dor drb drd dre drk drn dro drr ebb ebd ebe ebf ebh ebk ebn ebo ebr ed- edb edd ede edf edh edk edn edo edr eeb eed eee eef eek een eeo eer ef- efb efd efe eff efh efo efr ehb ehd ehe ehf ehh ehn eho ehr ekb ekd eke ekf ekh eko ekr en- enb end ene enf enh enk enn eno enr eo- eob eod eoe eof eoh eok eon eoo eor erb erd ere erf erh erk ern ero err fbb fbd fbe fbf fbh fbk fbn fbo fbr fdb fdd fde fdf fdh fdk fdn fdo fdr feb fed fee fef feh fek fen feo fer ffd ffe fff ffh ffk ffn ffo ffr fhb fhe fhf fhh fhn fho fhr fkb fkf fkk fnb fnd fne fnf fnh fnk fnn fnr fob foe fof foh fok fon foo for frb frd fre frf frh frk frn fro frr hbb hbd hbe hbf hbh hbk hbn hbo hbr hdb hdd hde hdf hdh hdk hdn hdo hdr he- heb hed hee hef heh hek hen heo her hfb hfd hfe hff hfh hfk hfn hfo hfr hhb hhd hhe hhf hhh hhk hhn hho hhr hkb hkd hkf hkh hkk hkn hko hkr hnb hnd hne hnf hnh hnk hnn hno hob hod hoe hof hoh hok hon hoo hor hr- hrb hrd hre hrf hrh hrk hrn hro hrr kbb kbd kbe kbf kbh kbk kbn kbo kbr kdb kde kdf kdh kdk kdo kdr ke- keb ked kee kef keh kek ken keo ker kfd kff kfh kfo khe khf khh khk khn kho khr kkb kke kkh kkk kkn kkr kn- knd kne knf knk knn kno knr kob kod koe kof koh kok kon koo kor krd krf krk krn kro krr nbb nbd nbe nbf nbk nbn nbo nbr ndb ndd nde ndf ndh ndk ndn ndo ndr ne- neb ned nee nef neh nek nen neo ner nfb nfd nfe nff nfk nfn nfo nfr nhb nhd nhe nhf nhh nhk nhn nhr nke nkf nkk nkn nko nkr nnb nne nnf nnh nnk nnn nno no- nob nod noe nof noh nok non noo nor nrb nrd nre nrf nrk nrn nro nrr ob- obb obd obe obf obh obk obn obo obr odb odd ode odf odh odn odo odr oeb oed oee oef oeh oen oeo oer of- ofb ofd ofe off ofn ofo ofr ohd ohe ohf ohh ohn oho ohr okb okd oke okk oko okr on- onb ond one onf onh onk onn ono onr oo- oob ood oof ooh ook oon ooo oor or- orb ord ore orf orh ork orn oro orr rbb rbd rbe rbf rbh rbk rbn rbo rbr rdb rdd rde rdf rdh rdn rdo rdr re- reb red ree ref reh rek ren reo rer rfb rfd rfe rff rfh rfk rfn rfo rfr rh- rhb rhd rhe rhf rhh rhn rho rhr rkb rke rkf rkk rko rnb rnd rnh rnn rno rnr rob rod roe rof roh rok ron roo ror rrb rrd rrf rrh rrk rrn rrr