-er bbb bbe bbf bbg bbi bbl bbn bbr bbt be- beb bee bef beg bei bel ben ber bet bfb bfe bff bfg bfi bfl bfn bfr bft bgb bge bgf bgg bgi bgl bgn bgr bgt bi- bib bie bif big bii bil bin bir bit blb ble blf blg bli bll bln blr blt bnb bne bnf bng bni bnl bnn bnr bnt brb bre brf brg bri brl brn brr brt btb bte btf btg bti btl btn btr btt ebb ebe ebf ebg ebi ebl ebn ebr ebt eeb eee eef eeg eel een eer eet ef- efb efe eff efg efi efl efr eft egb ege egf egg egi egl egn egr egt eib eie eif eig eii eil ein eir eit elb ele elf elg eli ell eln elr elt en- enb ene enf eng eni enl enn enr ent erb ere erf erg eri erl ern err ert etb ete etf etg eti etl etn etr ett fbb fbe fbf fbg fbi fbl fbn fbr fbt feb fee fef feg fei fel fen fer fet ffe fff ffg ffi ffl ffn ffr fft fgb fge fgf fgg fgi fgl fgn fgr fgt fib fie fif fig fii fil fin fir fit flb fle flf flg fli fll fln flr flt fnb fne fnf fng fni fnl fnn fnr fnt frb fre frf frg fri frl frn frr frt ftb fte ftf ftg fti ftl ftn ftr ftt gbe gbf gbg gbi gbl gbn gbr gbt ge- geb gee gef geg gei gel gen ger get gfb gfe gff gfi gfl gfr gft ggb ggg ggi ggn ggr ggt gib gie gif gig gii gil gin gir git glb gle glf glg gli gll gln glr glt gnb gne gnf gni gnl gnn gnr gnt grb gre grf grg gri grl grn grr grt gtb gte gtf gtg gti gtl gtn gtr gtt i-f ibb ibe ibf ibg ibi ibl ibn ibr ibt ie- iee ief ieg iei iel ien ier iet ifb ife iff ifg ifi ifl ifn ifr ift igb ige igf igg igi igl ign igr igt iib iie iif iii iil iin iir iit il- ilb ile ilf ilg ili ill iln ilr ilt in- inb ine inf ing ini inl inn inr int ir- irb ire irf irg iri irl irn irr irt itb ite itf itg iti itl itn itt lbb lbe lbf lbg lbi lbl lbr lbt leb lee lef leg lei lel len ler let lfb lfe lff lfg lfi lfl lfn lfr lft lgb lge lgf lgg lgi lgl lgn lgr lgt lib lie lif lig lii lil lin lir lit llb lle llf llg lli lll lln llr llt lnb lne lng lni lnl lnn lnr lnt lrb lrf lrg lri lrn lrr lrt ltb lte ltf ltg lti ltl ltr ltt n-i nbb nbe nbf nbg nbi nbl nbn nbr nbt ne- neb nee nef neg nei nel nen ner net nfb nfe nff nfi nfl nfn nfr nft ngb nge ngf ngg ngi ngl ngn ngt nib nie nif nig nii nil nin nir nit nlb nle nlf nlg nli nll nln nlr nlt nnb nne nnf nng nni nnl nnn nnt nrb nre nrf nrg nri nrl nrn nrr nrt ntb nte ntf ntg nti ntn ntr ntt rbb rbe rbf rbg rbi rbl rbn rbr rbt re- reb ree ref reg rei rel ren rer ret rfb rfe rff rfg rfi rfl rfn rfr rft rgb rge rgf rgg rgi rgn rgr rgt rib rie rif rig rii ril rin rir rit rle rlf rlg rli rll rln rlr rlt rnb rng rni rnn rnr rnt rrb rrf rrg rri rrl rrn rrr rrt rtb rte rtf rtg rti rtl rtn rtr rtt tbb tbe tbf tbg tbi tbl tbn tbr tbt te- teb tee tef teg tei tel ten ter tet tfb tfe tff tfg tfi tfl tfn tfr tft tgb tge tgf tgg tgi tgl tgn tgr tgt tib tie tif tig tii til tin tir tit tle tlf tlg tli tll tln tlr tlt tnb tne tnf tng tni tnl tnn tnr tnt trb tre trf trg tri trl trn trr trt ttb tte ttf ttg tti ttl ttn ttr ttt