bbb bbd bbe bbi bbn bbo bbs bbt bdb bdd bde bdi bdo bds bdt be- beb bed bee bei ben beo bes bet bi- bib bid bie bii bin bio bis bit bnb bnd bne bni bnn bno bns bnt bob bod boe boi bon boo bos bot bsb bsd bse bsi bsn bso bss bst btb btd bte bti btn bto bts btt dbb dbd dbe dbi dbn dbo dbs dbt ddb ddd dde ddi ddn ddo dds ddt de- deb ded dee dei den deo des det di- dib did die dii din dio dis dit dnb dnd dne dni dnn dno dns dnt dob dod doe doi don doo dos dot dsb dsd dse dsi dsn dso dss dst dtb dtd dte dti dtn dto dts dtt ebb ebd ebe ebi ebn ebo ebs ebt ed- edb edd ede edi edn edo eds edt eeb eed eee een eeo ees eet eib eid eie eii ein eio eis eit en- enb end ene eni enn eno ens ent eo- eob eod eoe eoi eon eoo eos eot es- esb esd ese esi esn eso ess est etb etd ete eti etn eto ets ett i-d ibb ibd ibe ibi ibn ibo ibs ibt idb idd ide idi idn ido ids idt ie- ied iee iei ien ies iet iib iid iie iii iin iio iis iit in- inb ind ine ini inn ino ins int io- iob iod ioe ioi ion ioo ios iot is- isb isd ise isi isn iso iss ist itb itd ite iti itn ito its itt n-i nbb nbd nbe nbi nbn nbo nbs nbt ndb ndd nde ndi ndn ndo nds ndt ne- neb ned nee nei nen neo nes net nib nid nie nii nin nio nis nit nnb nne nni nnn nno nns nnt no- nob nod noe noi non noo nos not nsb nsd nse nsi nsn nso nss nst ntb ntd nte nti ntn nto nts ntt o-i ob- obb obd obe obi obn obo obs obt odb odd ode odi odn odo ods odt oeb oed oee oei oen oeo oes oet oib oid oie oii oin oio ois oit on- onb ond one oni onn ono ons ont oo- oob ood ooi oon ooo oos oot os- osb osd ose osi osn oso oss ost ot- otb otd ote oti otn oto ots ott sbb sbd sbe sbi sbn sbo sbs sbt sdb sdd sde sdi sdn sdo sds sdt se- seb sed see sei sen seo ses set sib sid sie sii sin sio sis sit snb snd sne sni snn sno sns snt sob sod soe soi son soo sos sot ss- ssb ssd sse ssi ssn sso sss sst stb std ste sti stn sto sts stt tbb tbd tbe tbi tbn tbo tbs tbt tdb tdd tde tdi tdn tdo tds tdt te- teb ted tee tei ten teo tes tet tib tid tie tii tin tio tis tit tnb tnd tne tni tnn tno tns tnt to- tob tod toe toi ton too tos tot tsb tsd tse tsi tsn tso tss tst ttb ttd tte tti ttn tto tts ttt