-er bbb bbe bbf bbg bbi bbn bbo bbr bbt be- beb bee bef beg bei ben beo ber bet bfb bfe bff bfg bfi bfn bfo bfr bft bgb bge bgf bgg bgi bgn bgo bgr bgt bi- bib bie bif big bii bin bio bir bit bnb bne bnf bng bni bnn bno bnr bnt bob boe bof bog boi bon boo bor bot brb bre brf brg bri brn bro brr brt btb bte btf btg bti btn bto btr btt ebb ebe ebf ebg ebi ebn ebo ebr ebt eeb eee eef eeg een eeo eer eet ef- efb efe eff efg efi efo efr eft egb ege egf egg egi egn ego egr egt eib eie eif eig eii ein eio eir eit en- enb ene enf eng eni enn eno enr ent eo- eob eoe eof eog eoi eon eoo eor eot erb ere erf erg eri ern ero err ert etb ete etf etg eti etn eto etr ett fbb fbe fbf fbg fbi fbn fbo fbr fbt feb fee fef feg fei fen feo fer fet ffe fff ffg ffi ffn ffo ffr fft fgb fge fgf fgg fgi fgn fgr fgt fib fie fif fig fii fin fir fit fnb fne fnf fng fni fnn fnr fnt fob foe fof fog foi fon foo for fot frb fre frf frg fri frn fro frr frt ftb fte ftf ftg fti ftn fto ftr ftt gbe gbf gbg gbi gbn gbo gbr gbt ge- geb gee gef geg gei gen geo ger get gfb gfe gff gfi gfo gfr gft ggb ggg ggi ggn ggo ggr ggt gib gie gif gig gii gin gio gir git gnb gne gnf gni gnn gno gnr gnt gob goe gof gog goi gon goo gor got grb gre grf grg gri grn gro grr grt gtb gte gtf gtg gti gtn gto gtr gtt i-f ibb ibe ibf ibg ibi ibn ibo ibr ibt ie- iee ief ieg iei ien ier iet ifb ife iff ifg ifi ifn ifo ifr ift igb ige igf igg igi ign igo igr igt iib iie iif iii iin iio iir iit in- inb ine inf ing ini inn ino inr int io- iob ioe iof iog ioi ion ioo ior iot ir- irb ire irf irg iri irn iro irr irt itb ite itf itg iti itn ito itt n-i nbb nbe nbf nbg nbi nbn nbo nbr nbt ne- neb nee nef neg nei nen neo ner net nfb nfe nff nfi nfn nfo nfr nft ngb nge ngf ngg ngi ngn ngo ngt nib nie nif nig nii nin nio nir nit nnb nne nnf nng nni nnn nno nnt no- nob noe nof nog noi non noo nor not nrb nre nrf nrg nri nrn nro nrr nrt ntb nte ntf ntg nti ntn nto ntr ntt o-i ob- obb obe obf obg obi obn obo obr obt oeb oee oef oeg oei oen oeo oer oet of- ofb ofe off ofg ofi ofn ofo ofr oft oge ogf ogg ogi ogn ogo ogt oib oie oif oii oin oio oir oit on- onb one onf ong oni onn ono onr ont oo- oob oof oog ooi oon ooo oor oot or- orb ore orf org ori orn oro orr ort ot- otb ote otf otg oti otn oto otr ott rbb rbe rbf rbg rbi rbn rbo rbr rbt re- reb ree ref reg rei ren reo rer ret rfb rfe rff rfg rfi rfn rfo rfr rft rgb rge rgf rgg rgi rgn rgo rgr rgt rib rie rif rig rii rin rio rir rit rnb rng rni rnn rno rnr rnt rob roe rof rog roi ron roo ror rot rrb rrf rrg rri rrn rrr rrt rtb rte rtf rtg rti rtn rto rtr rtt tbb tbe tbf tbg tbi tbn tbo tbr tbt te- teb tee tef teg tei ten teo ter tet tfb tfe tff tfg tfi tfn tfo tfr tft tgb tge tgf tgg tgi tgn tgo tgr tgt tib tie tif tig tii tin tio tir tit tnb tne tnf tng tni tnn tno tnr tnt to- tob toe tof tog toi ton too tor tot trb tre trf trg tri trn tro trr trt ttb tte ttf ttg tti ttn tto ttr ttt