b-u bbb bbd bbi bbn bbr bbu bdb bdd bdi bdr bdu bdz bi- bib bid bii bin bir biu biz bnb bnd bni bnn bnr bnu bnz brb brd bri brn brr bru brz bub bud bui bun bur buu buz bzd bzn bzr bzu bzz dbb dbd dbi dbn dbr dbu dbz ddb ddd ddi ddn ddr ddu ddz di- dib did dii din dir diu diz dnb dnd dni dnn dnr dnz drb drd dri drn drr dru drz dub dud dui dun dur duz dzb dzd dzi dzr dzu i-d ibb ibd ibi ibn ibr ibu ibz idb idd idi idn idr idu iib iid iii iin iir iiu in- inb ind ini inn inr inu ir- irb ird iri irn irr iru iu- iub iud iui iur iuz izi izu izz n-i nbb nbd nbi nbn nbr nbu ndb ndd ndi ndn ndr ndu nib nid nii nin nir niu niz nnb nni nnn nnu nnz nrb nrd nri nrn nrr nru nrz nub nud nui nun nur nuu nzb nzd nzi nzz rbb rbd rbi rbn rbr rbu rdb rdd rdi rdn rdr rdu rib rid rii rin rir riz rnb rnd rni rnn rnr rnu rnz rrb rrd rri rrn rrr rru rub rud rui run rur ruu ruz rzb ubb ubi ubn ubr ubu udb udd udi udn udr udu uib uid uii uin uir uiu un- unb und uni unn unr unu ur- urb urd uri urn urr uru urz uun uur uuu uzb uzi uzu zbb zbr zib zid zin zir ziz znd znn zub zud zui zun zur zuz zzr zzz