b-u bbb bbd bbf bbg bbi bbn bbo bbr bbt bbu bdb bdd bdf bdg bdi bdo bdr bdt bdu bfb bfd bff bfg bfi bfn bfo bfr bft bfu bgb bgd bgf bgg bgi bgn bgo bgr bgt bgu bi- bib bid bif big bii bin bio bir bit biu bnb bnd bnf bng bni bnn bno bnr bnt bnu bob bod bof bog boi bon boo bor bot bou brb brd brf brg bri brn bro brr brt bru btb btd btf btg bti btn bto btr btt btu bub bud buf bug bui bun buo bur but buu dbb dbd dbf dbg dbi dbn dbo dbr dbt dbu ddb ddd ddf ddg ddi ddn ddo ddr ddt ddu dfb dfd dff dfg dfi dfn dfo dfr dft dfu dgd dgf dgg dgi dgn dgr dgt dgu di- dib did dif dig dii din dio dir dit diu dnb dnd dnf dng dni dnn dno dnr dnt dob dod dof dog doi don doo dor dot dou drb drd drg dri drn dro drr drt dru dtb dtd dtf dtg dti dtn dto dtr dtt dtu dub dud duf dug dui dun duo dur dut fbb fbd fbf fbg fbi fbn fbo fbr fbt fbu fdb fdd fdf fdg fdi fdn fdo fdr fdt fdu ffd fff ffg ffi ffn ffo ffr fft ffu fgb fgd fgf fgg fgi fgn fgr fgt fib fid fif fig fii fin fir fit fiu fnb fnd fnf fng fni fnn fnr fnt fnu fob fof fog foi fon foo for fot fou frb frd frf frg fri frn fro frr frt fru ftb ftd ftf ftg fti ftn fto ftr ftt ftu fub fud fuf fug fui fun fuo fur fut fuu g-d gbd gbf gbg gbi gbn gbo gbr gbt gbu gdb gdd gdf gdi gdn gdo gdr gdt gdu gfb gfd gff gfi gfo gfr gft ggb ggd ggg ggi ggn ggo ggr ggt ggu gib gid gif gig gii gin gio gir git giu gnb gnd gnf gni gnn gno gnr gnt gnu gob god gof gog goi gon goo gor got gou grb grd grf grg gri grn gro grr grt gru gtb gtd gtf gtg gti gtn gto gtr gtt gtu gu- gub gud guf gug gui gun guo gur gut guu i-d i-f ibb ibd ibf ibg ibi ibn ibo ibr ibt ibu idb idd idf idg idi idn ido idr idt idu ifb ifd iff ifg ifi ifn ifo ifr ift ifu igb igd igf igg igi ign igo igr igt igu iib iid iif iii iin iio iir iit iiu in- inb ind inf ing ini inn ino inr int inu io- iob iod iof iog ioi ion ioo ior iot iou ir- irb ird irf irg iri irn iro irr irt iru itb itd itf itg iti itn ito itt itu iu- iub iud iug iui iur iut n-i nbb nbd nbf nbg nbi nbn nbo nbr nbt nbu ndb ndd ndf ndg ndi ndn ndo ndr ndt ndu nfb nfd nff nfi nfn nfo nfr nft nfu ngb ngd ngf ngg ngi ngn ngo ngt ngu nib nid nif nig nii nin nio nir nit niu nnb nnf nng nni nnn nno nnt nnu no- nob nod nof nog noi non noo nor not nou nrb nrd nrf nrg nri nrn nro nrr nrt nru ntb ntd ntf ntg nti ntn nto ntr ntt ntu nub nud nug nui nun nuo nur nut nuu o-i ob- obb obd obf obg obi obn obo obr obt obu odb odd odf odg odi odn odo odr odt odu of- ofb ofd off ofg ofi ofn ofo ofr oft ofu ogd ogf ogg ogi ogn ogo ogt oib oid oif oii oin oio oir oit oiu on- onb ond onf ong oni onn ono onr ont onu oo- oob ood oof oog ooi oon ooo oor oot or- orb ord orf org ori orn oro orr ort oru ot- otb otd otf otg oti otn oto otr ott otu ou- oud ouf oui oun ouo our out rbb rbd rbf rbg rbi rbn rbo rbr rbt rbu rdb rdd rdf rdg rdi rdn rdo rdr rdt rdu rfb rfd rff rfg rfi rfn rfo rfr rft rfu rgb rgd rgf rgg rgi rgn rgo rgr rgt rib rid rif rig rii rin rio rir rit rnb rnd rng rni rnn rno rnr rnt rnu rob rod rof rog roi ron roo ror rot rou rrb rrd rrf rrg rri rrn rrr rrt rru rtb rtd rtf rtg rti rtn rto rtr rtt rtu rub rud ruf rug rui run ruo rur rut ruu tbb tbd tbf tbg tbi tbn tbo tbr tbt tbu tdb tdd tdf tdg tdi tdn tdo tdr tdt tdu tfb tfd tff tfg tfi tfn tfo tfr tft tfu tgb tgf tgg tgi tgn tgo tgr tgt tgu tib tid tif tig tii tin tio tir tit tiu tnb tnd tnf tng tni tnn tno tnr tnt to- tob tod tof tog toi ton too tor tot tou trb trd trf trg tri trn tro trr trt tru ttb ttd ttf ttg tti ttn tto ttr ttt ttu tub tud tuf tug tui tun tuo tur tut tuu ubb ubf ubg ubi ubn ubo ubr ubt ubu udb udd udf udg udi udn udo udr udt udu ufd uff ufg ufi ufn ufo ufr uft ufu ugb ugf ugg ugi ugn ugo ugr ugt ugu uib uid uif uig uii uin uio uir uit uiu un- unb und unf ung uni unn uno unr unt unu uob uod uog uon uoo uor uot ur- urb urd urf urg uri urn uro urr urt uru utb utd utf uti utn uto utr utt utu uug uun uur uut uuu