-er b-u bbb bbd bbe bbg bbi bbn bbr bbu bdb bdd bde bdg bdi bdr bdu bdz be- beb bed bee beg bei ben ber beu bez bgb bgd bge bgg bgi bgn bgr bgu bgz bi- bib bid bie big bii bin bir biu biz bnb bnd bne bng bni bnn bnr bnu bnz brb brd bre brg bri brn brr bru brz bub bud bue bug bui bun bur buu buz bzd bze bzn bzr bzu bzz dbb dbd dbe dbg dbi dbn dbr dbu dbz ddb ddd dde ddg ddi ddn ddr ddu ddz de- deb ded dee deg dei den der deu dez dgd dge dgg dgi dgn dgr dgu dgz di- dib did die dig dii din dir diu diz dnb dnd dne dng dni dnn dnr dnz drb drd dre drg dri drn drr dru drz dub dud due dug dui dun dur duz dzb dzd dze dzi dzr dzu ebb ebd ebe ebg ebi ebn ebr ebu ed- edb edd ede edg edi edn edr edu eeb eed eee eeg een eer egb egd ege egg egi egn egr egu eib eid eie eig eii ein eir eiu en- enb end ene eng eni enn enr enu enz erb erd ere erg eri ern err eru erz eu- eub eud eue eug eui eun eur eze ezr ezz g-d gbd gbe gbg gbi gbn gbr gbu gbz gdb gdd gde gdi gdn gdr gdu ge- geb ged gee geg gei gen ger geu gez ggb ggd ggg ggi ggn ggr ggu ggz gib gid gie gig gii gin gir giu giz gnb gnd gne gni gnn gnr gnu grb grd gre grg gri grn grr gru gu- gub gud gue gug gui gun gur guu guz gzr gzu i-d ibb ibd ibe ibg ibi ibn ibr ibu ibz idb idd ide idg idi idn idr idu ie- ied iee ieg iei ien ier igb igd ige igg igi ign igr igu iib iid iie iii iin iir iiu in- inb ind ine ing ini inn inr inu ir- irb ird ire irg iri irn irr iru iu- iub iud iue iug iui iur iuz ize izi izu izz n-i nbb nbd nbe nbg nbi nbn nbr nbu ndb ndd nde ndg ndi ndn ndr ndu ne- neb ned nee neg nei nen ner neu nez ngb ngd nge ngg ngi ngn ngu nib nid nie nig nii nin nir niu niz nnb nne nng nni nnn nnu nnz nrb nrd nre nrg nri nrn nrr nru nrz nub nud nue nug nui nun nur nuu nzb nzd nze nzg nzi nzz rbb rbd rbe rbg rbi rbn rbr rbu rdb rdd rde rdg rdi rdn rdr rdu re- reb red ree reg rei ren rer reu rez rgb rgd rge rgg rgi rgn rgr rib rid rie rig rii rin rir riz rnb rnd rng rni rnn rnr rnu rnz rrb rrd rrg rri rrn rrr rru rub rud rue rug rui run rur ruu ruz rzb rze ubb ube ubg ubi ubn ubr ubu udb udd ude udg udi udn udr udu ueb ued uee ueg uei uen uer ugb uge ugg ugi ugn ugr ugu uib uid uie uig uii uin uir uiu un- unb und une ung uni unn unr unu ur- urb urd ure urg uri urn urr uru urz uue uug uun uur uuu uzb uzi uzu z-g zbb zbr zeb zed zee zen zer zez zgb zgg zgi zib zid zie zig zin zir ziz znd zne znn zub zud zug zui zun zur zuz zzr zzz