b-u bbb bbd bbf bbi bbn bbo bbr bbs bbt bbu bby bdb bdd bdf bdi bdo bdr bds bdt bdu bdy bfb bfd bff bfi bfn bfo bfr bfs bft bfu bfy bi- bib bid bif bii bin bio bir bis bit biu biy bnb bnd bnf bni bnn bno bnr bns bnt bnu bob bod bof boi bon boo bor bos bot bou boy brb brd brf bri brn bro brr brs brt bru bry bsb bsd bsf bsi bsn bso bsr bss bst bsu bsy btb btd btf bti btn bto btr bts btt btu bty bub bud buf bui bun buo bur bus but buu buy by- byd byf byi byn byo byr bys byt byu dbb dbd dbf dbi dbn dbo dbr dbs dbt dbu dby ddb ddd ddf ddi ddn ddo ddr dds ddt ddu ddy dfb dfd dff dfi dfn dfo dfr dfs dft dfu di- dib did dif dii din dio dir dis dit diu diy dnb dnd dnf dni dnn dno dnr dns dnt dny dob dod dof doi don doo dor dos dot dou doy drb drd dri drn dro drr drs drt dru dry dsb dsd dsf dsi dsn dso dsr dss dst dsu dsy dtb dtd dtf dti dtn dto dtr dts dtt dtu dty dub dud duf dui dun duo dur dus dut duy dy- dyb dyd dyn dyo dyr dys dyu dyy fbb fbd fbf fbi fbn fbo fbr fbs fbt fbu fdb fdd fdf fdi fdn fdo fdr fds fdt fdu ffd fff ffi ffn ffo ffr ffs fft ffu ffy fib fid fif fii fin fir fis fit fiu fnb fnd fnf fni fnn fnr fns fnt fnu fob fof foi fon foo for fos fot fou foy frb frd frf fri frn fro frr frs frt fru fry fsb fsd fsf fsi fsn fso fsr fss fst fsu ftb ftd ftf fti ftn fto ftr fts ftt ftu fty fub fud fuf fui fun fuo fur fus fut fuu fy- fyb fyi fyn fyo i-d i-f ibb ibd ibf ibi ibn ibo ibr ibs ibt ibu iby idb idd idf idi idn ido idr ids idt idu idy ifb ifd iff ifi ifn ifo ifr ifs ift ifu ify iib iid iif iii iin iio iir iis iit iiu in- inb ind inf ini inn ino inr ins int inu iny io- iob iod iof ioi ion ioo ior ios iot iou ir- irb ird irf iri irn iro irr irs irt iru iry is- isb isd isf isi isn iso isr iss ist isu isy itb itd itf iti itn ito its itt itu ity iu- iub iud iui iur ius iut iyo iyr iys iyt iyy n-i nbb nbd nbf nbi nbn nbo nbr nbs nbt nbu ndb ndd ndf ndi ndn ndo ndr nds ndt ndu ndy nfb nfd nff nfi nfn nfo nfr nfs nft nfu nib nid nif nii nin nio nir nis nit niu nnb nnf nni nnn nno nns nnt nnu no- nob nod nof noi non noo nor nos not nou noy nrb nrd nrf nri nrn nro nrr nrs nrt nru nry nsb nsd nsf nsi nsn nso nsr nss nst nsu nsy ntb ntd ntf nti ntn nto ntr nts ntt ntu nub nud nui nun nuo nur nus nut nuu nuy nyd nyf nyn nyo nys nyt nyu nyy o-i ob- obb obd obf obi obn obo obr obs obt obu oby odb odd odf odi odn odo odr ods odt odu of- ofb ofd off ofi ofn ofo ofr ofs oft ofu oib oid oif oii oin oio oir ois oit oiu on- onb ond onf oni onn ono onr ons ont onu ony oo- oob ood oof ooi oon ooo oor oos oot or- orb ord orf ori orn oro orr ors ort oru ory os- osb osd osf osi osn oso osr oss ost osu ot- otb otd otf oti otn oto otr ots ott otu ou- oud ouf oui oun ouo our ous out oyd oyi oyo oys rbb rbd rbf rbi rbn rbo rbr rbs rbt rbu rdb rdd rdf rdi rdn rdo rdr rds rdt rdu rdy rfb rfd rff rfi rfn rfo rfr rfs rft rfu rib rid rif rii rin rio rir ris rit riy rnb rnd rni rnn rno rnr rns rnt rnu rny rob rod rof roi ron roo ror ros rot rou roy rrb rrd rrf rri rrn rrr rrs rrt rru rsb rsd rsf rsi rsn rso rsr rss rst rsu rtb rtd rtf rti rtn rto rtr rts rtt rtu rty rub rud ruf rui run ruo rur rus rut ruu ruy ry- ryd ryf ryn ryo ryr rys ryu ryy sbb sbd sbf sbi sbn sbo sbr sbs sbt sbu sby sdb sdd sdf sdi sdn sdo sdr sds sdt sdu sdy sfb sfd sff sfi sfn sfo sfr sfs sft sfu sib sid sif sii sin sio sir sis sit siu snb snd snf sni snn sno snr sns snt snu sny sob sod sof soi son soo sor sos sot sou soy sr- srb srd srf sri srn sro srr srs srt sry ss- ssb ssd ssf ssi ssn sso ssr sss sst ssu stb std stf sti stn sto str sts stt stu sty sub sud suf sui sun suo sur sus sut suu suy sy- syb syd syi syn syr sys syt syu tbb tbd tbf tbi tbn tbo tbr tbs tbt tbu tdb tdd tdf tdi tdn tdo tdr tds tdt tdu tdy tfb tfd tff tfi tfn tfo tfr tfs tft tfu tib tid tif tii tin tio tir tis tit tiu tiy tnb tnd tnf tni tnn tno tnr tns tnt to- tob tod tof toi ton too tor tos tot tou toy trb trd trf tri trn tro trr trs trt tru try tsb tsd tsf tsi tsn tso tsr tss tst tsu tsy ttb ttd ttf tti ttn tto