bbb bbd bbi bbn bbo bbr bbs bbt bdb bdd bdi bdo bdr bds bdt bi- bib bid bii bin bio bir bis bit bnb bnd bni bnn bno bnr bns bnt bob bod boi bon boo bor bos bot brb brd bri brn bro brr brs brt bsb bsd bsi bsn bso bsr bss bst btb btd bti btn bto btr bts btt dbb dbd dbi dbn dbo dbr dbs dbt ddb ddd ddi ddn ddo ddr dds ddt di- dib did dii din dio dir dis dit dnb dnd dni dnn dno dnr dns dnt dob dod doi don doo dor dos dot drb drd dri drn dro drr drs drt dsb dsd dsi dsn dso dsr dss dst dtb dtd dti dtn dto dtr dts dtt i-d ibb ibd ibi ibn ibo ibr ibs ibt idb idd idi idn ido idr ids idt iib iid iii iin iio iir iis iit in- inb ind ini inn ino inr ins int io- iob iod ioi ion ioo ior ios iot ir- irb ird iri irn iro irr irs irt is- isb isd isi isn iso isr iss ist itb itd iti itn ito its itt n-i nbb nbd nbi nbn nbo nbr nbs nbt ndb ndd ndi ndn ndo ndr nds ndt nib nid nii nin nio nir nis nit nnb nni nnn nno nns nnt no- nob nod noi non noo nor nos not nrb nrd nri nrn nro nrr nrs nrt nsb nsd nsi nsn nso nsr nss nst ntb ntd nti ntn nto ntr nts ntt o-i ob- obb obd obi obn obo obr obs obt odb odd odi odn odo odr ods odt oib oid oii oin oio oir ois oit on- onb ond oni onn ono onr ons ont oo- oob ood ooi oon ooo oor oos oot or- orb ord ori orn oro orr ors ort os- osb osd osi osn oso osr oss ost ot- otb otd oti otn oto otr ots ott rbb rbd rbi rbn rbo rbr rbs rbt rdb rdd rdi rdn rdo rdr rds rdt rib rid rii rin rio rir ris rit rnb rnd rni rnn rno rnr rns rnt rob rod roi ron roo ror ros rot rrb rrd rri rrn rrr rrs rrt rsb rsd rsi rsn rso rsr rss rst rtb rtd rti rtn rto rtr rts rtt sbb sbd sbi sbn sbo sbr sbs sbt sdb sdd sdi sdn sdo sdr sds sdt sib sid sii sin sio sir sis sit snb snd sni snn sno snr sns snt sob sod soi son soo sor sos sot sr- srb srd sri srn sro srr srs srt ss- ssb ssd ssi ssn sso ssr sss sst stb std sti stn sto str sts stt tbb tbd tbi tbn tbo tbr tbs tbt tdb tdd tdi tdn tdo tdr tds tdt tib tid tii tin tio tir tis tit tnb tnd tni tnn tno tnr tns tnt to- tob tod toi ton too tor tos tot trb trd tri trn tro trr trs trt tsb tsd tsi tsn tso tsr tss tst ttb ttd tti ttn tto ttr tts ttt