-er b-u bbb bbe bbg bbi bbn bbo bbr bbt bbu be- beb bee beg bei ben beo ber bet beu bgb bge bgg bgi bgn bgo bgr bgt bgu bi- bib bie big bii bin bio bir bit biu bnb bne bng bni bnn bno bnr bnt bnu bob boe bog boi bon boo bor bot bou brb bre brg bri brn bro brr brt bru btb bte btg bti btn bto btr btt btu bub bue bug bui bun buo bur but buu ebb ebe ebg ebi ebn ebo ebr ebt ebu eeb eee eeg een eeo eer eet egb ege egg egi egn ego egr egt egu eib eie eig eii ein eio eir eit eiu en- enb ene eng eni enn eno enr ent enu eo- eob eoe eog eoi eon eoo eor eot eou erb ere erg eri ern ero err ert eru etb ete etg eti etn eto etr ett etu eu- eub eue eug eui eun eur eut gbe gbg gbi gbn gbo gbr gbt gbu ge- geb gee geg gei gen geo ger get geu ggb ggg ggi ggn ggo ggr ggt ggu gib gie gig gii gin gio gir git giu gnb gne gni gnn gno gnr gnt gnu gob goe gog goi gon goo gor got gou grb gre grg gri grn gro grr grt gru gtb gte gtg gti gtn gto gtr gtt gtu gu- gub gue gug gui gun guo gur gut guu ibb ibe ibg ibi ibn ibo ibr ibt ibu ie- iee ieg iei ien ier iet igb ige igg igi ign igo igr igt igu iib iie iii iin iio iir iit iiu in- inb ine ing ini inn ino inr int inu io- iob ioe iog ioi ion ioo ior iot iou ir- irb ire irg iri irn iro irr irt iru itb ite itg iti itn ito itt itu iu- iub iue iug iui iur iut n-i nbb nbe nbg nbi nbn nbo nbr nbt nbu ne- neb nee neg nei nen neo ner net neu ngb nge ngg ngi ngn ngo ngt ngu nib nie nig nii nin nio nir nit niu nnb nne nng nni nnn nno nnt nnu no- nob noe nog noi non noo nor not nou nrb nre nrg nri nrn nro nrr nrt nru ntb nte ntg nti ntn nto ntr ntt ntu nub nue nug nui nun nuo nur nut nuu o-i ob- obb obe obg obi obn obo obr obt obu oeb oee oeg oei oen oeo oer oet oge ogg ogi ogn ogo ogt oib oie oii oin oio oir oit oiu on- onb one ong oni onn ono onr ont onu oo- oob oog ooi oon ooo oor oot or- orb ore org ori orn oro orr ort oru ot- otb ote otg oti otn oto otr ott otu ou- oue oui oun ouo our out rbb rbe rbg rbi rbn rbo rbr rbt rbu re- reb ree reg rei ren reo rer ret reu rgb rge rgg rgi rgn rgo rgr rgt rib rie rig rii rin rio rir rit rnb rng rni rnn rno rnr rnt rnu rob roe rog roi ron roo ror rot rou rrb rrg rri rrn rrr rrt rru rtb rte rtg rti rtn rto rtr rtt rtu rub rue rug rui run ruo rur rut ruu tbb tbe tbg tbi tbn tbo tbr tbt tbu te- teb tee teg tei ten teo ter tet teu tgb tge tgg tgi tgn tgo tgr tgt tgu tib tie tig tii tin tio tir tit tiu tnb tne tng tni tnn tno tnr tnt to- tob toe tog toi ton too tor tot tou trb tre trg tri trn tro trr trt tru ttb tte ttg tti ttn tto ttr ttt ttu tub tue tug tui tun tuo tur tut tuu ubb ube ubg ubi ubn ubo ubr ubt ubu ueb uee ueg uei uen uer uet ugb uge ugg ugi ugn ugo ugr ugt ugu uib uie uig uii uin uio uir uit uiu un- unb une ung uni unn uno unr unt unu uob uoe uog uon uoo uor uot ur- urb ure urg uri urn uro urr urt uru utb ute uti utn uto utr utt utu uue uug uun uur uut uuu