-er bbb bbe bbg bbi bbn bbo bbr bbt be- beb bee beg bei ben beo ber bet bgb bge bgg bgi bgn bgo bgr bgt bi- bib bie big bii bin bio bir bit bnb bne bng bni bnn bno bnr bnt bob boe bog boi bon boo bor bot brb bre brg bri brn bro brr brt btb bte btg bti btn bto btr btt ebb ebe ebg ebi ebn ebo ebr ebt eeb eee eeg een eeo eer eet egb ege egg egi egn ego egr egt eib eie eig eii ein eio eir eit en- enb ene eng eni enn eno enr ent eo- eob eoe eog eoi eon eoo eor eot erb ere erg eri ern ero err ert etb ete etg eti etn eto etr ett gbe gbg gbi gbn gbo gbr gbt ge- geb gee geg gei gen geo ger get ggb ggg ggi ggn ggo ggr ggt gib gie gig gii gin gio gir git gnb gne gni gnn gno gnr gnt gob goe gog goi gon goo gor got grb gre grg gri grn gro grr grt gtb gte gtg gti gtn gto gtr gtt ibb ibe ibg ibi ibn ibo ibr ibt ie- iee ieg iei ien ier iet igb ige igg igi ign igo igr igt iib iie iii iin iio iir iit in- inb ine ing ini inn ino inr int io- iob ioe iog ioi ion ioo ior iot ir- irb ire irg iri irn iro irr irt itb ite itg iti itn ito itt n-i nbb nbe nbg nbi nbn nbo nbr nbt ne- neb nee neg nei nen neo ner net ngb nge ngg ngi ngn ngo ngt nib nie nig nii nin nio nir nit nnb nne nng nni nnn nno nnt no- nob noe nog noi non noo nor not nrb nre nrg nri nrn nro nrr nrt ntb nte ntg nti ntn nto ntr ntt o-i ob- obb obe obg obi obn obo obr obt oeb oee oeg oei oen oeo oer oet oge ogg ogi ogn ogo ogt oib oie oii oin oio oir oit on- onb one ong oni onn ono onr ont oo- oob oog ooi oon ooo oor oot or- orb ore org ori orn oro orr ort ot- otb ote otg oti otn oto otr ott rbb rbe rbg rbi rbn rbo rbr rbt re- reb ree reg rei ren reo rer ret rgb rge rgg rgi rgn rgo rgr rgt rib rie rig rii rin rio rir rit rnb rng rni rnn rno rnr rnt rob roe rog roi ron roo ror rot rrb rrg rri rrn rrr rrt rtb rte rtg rti rtn rto rtr rtt tbb tbe tbg tbi tbn tbo tbr tbt te- teb tee teg tei ten teo ter tet tgb tge tgg tgi tgn tgo tgr tgt tib tie tig tii tin tio tir tit tnb tne tng tni tnn tno tnr tnt to- tob toe tog toi ton too tor tot trb tre trg tri trn tro trr trt ttb tte ttg tti ttn tto ttr ttt