-er b-u bbb bbe bbg bbi bbn bbr bbt bbu be- beb bee beg bei ben ber bet beu bgb bge bgg bgi bgn bgr bgt bgu bi- bib bie big bii bin bir bit biu bnb bne bng bni bnn bnr bnt bnu brb bre brg bri brn brr brt bru btb bte btg bti btn btr btt btu bub bue bug bui bun bur but buu ebb ebe ebg ebi ebn ebr ebt ebu eeb eee eeg een eer eet egb ege egg egi egn egr egt egu eib eie eig eii ein eir eit eiu en- enb ene eng eni enn enr ent enu erb ere erg eri ern err ert eru etb ete etg eti etn etr ett etu eu- eub eue eug eui eun eur eut gbe gbg gbi gbn gbr gbt gbu ge- geb gee geg gei gen ger get geu ggb ggg ggi ggn ggr ggt ggu gib gie gig gii gin gir git giu gnb gne gni gnn gnr gnt gnu grb gre grg gri grn grr grt gru gtb gte gtg gti gtn gtr gtt gtu gu- gub gue gug gui gun gur gut guu ibb ibe ibg ibi ibn ibr ibt ibu ie- iee ieg iei ien ier iet igb ige igg igi ign igr igt igu iib iie iii iin iir iit iiu in- inb ine ing ini inn inr int inu ir- irb ire irg iri irn irr irt iru itb ite itg iti itn itt itu iu- iub iue iug iui iur iut n-i nbb nbe nbg nbi nbn nbr nbt nbu ne- neb nee neg nei nen ner net neu ngb nge ngg ngi ngn ngt ngu nib nie nig nii nin nir nit niu nnb nne nng nni nnn nnt nnu nrb nre nrg nri nrn nrr nrt nru ntb nte ntg nti ntn ntr ntt ntu nub nue nug nui nun nur nut nuu rbb rbe rbg rbi rbn rbr rbt rbu re- reb ree reg rei ren rer ret reu rgb rge rgg rgi rgn rgr rgt rib rie rig rii rin rir rit rnb rng rni rnn rnr rnt rnu rrb rrg rri rrn rrr rrt rru rtb rte rtg rti rtn rtr rtt rtu rub rue rug rui run rur rut ruu tbb tbe tbg tbi tbn tbr tbt tbu te- teb tee teg tei ten ter tet teu tgb tge tgg tgi tgn tgr tgt tgu tib tie tig tii tin tir tit tiu tnb tne tng tni tnn tnr tnt trb tre trg tri trn trr trt tru ttb tte ttg tti ttn ttr ttt ttu tub tue tug tui tun tur tut tuu ubb ube ubg ubi ubn ubr ubt ubu ueb uee ueg uei uen uer uet ugb uge ugg ugi ugn ugr ugt ugu uib uie uig uii uin uir uit uiu un- unb une ung uni unn unr unt unu ur- urb ure urg uri urn urr urt uru utb ute uti utn utr utt utu uue uug uun uur uut uuu