b-u bbb bbd bbg bbi bbl bbn bbr bbu bdb bdd bdg bdi bdl bdr bdu bgb bgd bgg bgi bgl bgn bgr bgu bi- bib bid big bii bil bin bir biu blb bld blg bli bll bln blr blu bnb bnd bng bni bnl bnn bnr bnu brb brd brg bri brl brn brr bru bub bud bug bui bul bun bur buu dbb dbd dbg dbi dbl dbn dbr dbu ddb ddd ddg ddi ddl ddn ddr ddu dgd dgg dgi dgl dgn dgr dgu di- dib did dig dii dil din dir diu dl- dlb dld dlg dli dll dlr dlu dnb dnd dng dni dnl dnn dnr drb drd drg dri drl drn drr dru dub dud dug dui dul dun dur g-d gbd gbg gbi gbl gbn gbr gbu gdb gdd gdi gdl gdn gdr gdu ggb ggd ggg ggi ggn ggr ggu gib gid gig gii gil gin gir giu glb gld glg gli gll gln glr glu gnb gnd gni gnl gnn gnr gnu grb grd grg gri grl grn grr gru gu- gub gud gug gui gul gun gur guu i-d ibb ibd ibg ibi ibl ibn ibr ibu idb idd idg idi idl idn idr idu igb igd igg igi igl ign igr igu iib iid iii iil iin iir iiu il- ilb ild ilg ili ill iln ilr ilu in- inb ind ing ini inl inn inr inu ir- irb ird irg iri irl irn irr iru iu- iub iud iug iui iur lbb lbd lbg lbi lbl lbr lbu ldb ldd ldg ldi ldl ldn ldr ldu lgb lgd lgg lgi lgl lgn lgr lgu lib lid lig lii lil lin lir liu llb lld llg lli lll lln llr llu lnb lnd lng lni lnl lnn lnr lnu lrb lrd lrg lri lrn lrr lru lub lud lug lui lul lun lur luu n-i nbb nbd nbg nbi nbl nbn nbr nbu ndb ndd ndg ndi ndl ndn ndr ndu ngb ngd ngg ngi ngl ngn ngu nib nid nig nii nil nin nir niu nlb nld nlg nli nll nln nlr nlu nnb nng nni nnl nnn nnu nrb nrd nrg nri nrl nrn nrr nru nub nud nug nui nul nun nur nuu rbb rbd rbg rbi rbl rbn rbr rbu rdb rdd rdg rdi rdl rdn rdr rdu rgb rgd rgg rgi rgn rgr rib rid rig rii ril rin rir rld rlg rli rll rln rlr rlu rnb rnd rng rni rnn rnr rnu rrb rrd rrg rri rrl rrn rrr rru rub rud rug rui run rur ruu ubb ubg ubi ubl ubn ubr ubu udb udd udg udi udl udn udr udu ugb ugg ugi ugl ugn ugr ugu uib uid uig uii uil uin uir uiu ulb uld ulg uli ull uln ulr ulu un- unb und ung uni unl unn unr unu ur- urb urd urg uri url urn urr uru uug uun uur uuu