-er bbb bbe bbg bbn bbo bbr bbs be- beb bee beg ben beo ber bes bgb bge bgg bgn bgo bgr bgs bjg bjj bjn bjr bjs bnb bne bng bnj bnn bno bnr bns bob boe bog boj bon boo bor bos brb bre brg brj brn bro brr brs bsb bse bsg bsj bsn bso bsr bss ebb ebe ebg ebj ebn ebo ebr ebs eeb eee eeg een eeo eer ees egb ege egg egn ego egr egs ejo en- enb ene eng enn eno enr ens eo- eob eoe eog eon eoo eor eos erb ere erg ern ero err ers es- esb ese esg esn eso esr ess gbe gbg gbj gbn gbo gbr gbs ge- geb gee geg gen geo ger ges ggb ggg ggj ggn ggo ggr ggs gje gjg gjr gnb gne gnn gno gnr gns gob goe gog gon goo gor gos grb gre grg grj grn gro grr grs gsb gse gsg gsj gsn gso gsr gss jbg jbj jbo jbr jbs jeb jee jeg jej jen jeo jer jes jgb jge jgn jgo jgr jgs jjb jjg jjj jjr jjs jne jng jnj jnn jno jnr jns job joe jog joj jon joo jor jos jrb jrg jrn jro jrr jrs jsb jse jsg jsj jsn jso jsr jss nbb nbe nbg nbn nbo nbr nbs ne- neb nee neg nej nen neo ner nes ngb nge ngg ngj ngn ngo ngs nje njn njs nnb nne nng nnn nno nns no- nob noe nog noj non noo nor nos nrb nre nrg nrj nrn nro nrr nrs nsb nse nsg nsn nso nsr nss ob- obb obe obg obj obn obo obr obs oeb oee oeg oen oeo oer oes oge ogg ogn ogo ogs ojb oje ojo ojs on- onb one ong onj onn ono onr ons oo- oob oog oon ooo oor oos or- orb ore org orn oro orr ors os- osb ose osg osj osn oso osr oss rbb rbe rbg rbn rbo rbr rbs re- reb ree reg ren reo rer res rgb rge rgg rgn rgo rgr rgs rjg rjr rnb rng rnn rno rnr rns rob roe rog roj ron roo ror ros rrb rrg rrn rrr rrs rsb rse rsg rsj rsn rso rsr rss sbb sbe sbg sbj sbn sbo sbr sbs se- seb see seg sej sen seo ser ses sgb sge sgg sgn sgo sgr sgs sjb sje sjj sjr sjs snb sne sng snj snn sno snr sns sob soe sog soj son soo sor sos sr- srb sre srg srj srn sro srr srs ss- ssb sse ssg ssj ssn sso ssr sss