bbb bbd bbe bbi bbn bbo bbs bdb bdd bde bdi bdo bds be- beb bed bee bei ben beo bes bi- bib bid bie bii bin bio bis bnb bnd bne bni bnn bno bns bob bod boe boi bon boo bos bsb bsd bse bsi bsn bso bss dbb dbd dbe dbi dbn dbo dbs ddb ddd dde ddi ddn ddo dds de- deb ded dee dei den deo des di- dib did die dii din dio dis dnb dnd dne dni dnn dno dns dob dod doe doi don doo dos dsb dsd dse dsi dsn dso dss ebb ebd ebe ebi ebn ebo ebs ed- edb edd ede edi edn edo eds eeb eed eee een eeo ees eib eid eie eii ein eio eis en- enb end ene eni enn eno ens eo- eob eod eoe eoi eon eoo eos es- esb esd ese esi esn eso ess i-d ibb ibd ibe ibi ibn ibo ibs idb idd ide idi idn ido ids ie- ied iee iei ien ies iib iid iie iii iin iio iis in- inb ind ine ini inn ino ins io- iob iod ioe ioi ion ioo ios is- isb isd ise isi isn iso iss n-i nbb nbd nbe nbi nbn nbo nbs ndb ndd nde ndi ndn ndo nds ne- neb ned nee nei nen neo nes nib nid nie nii nin nio nis nnb nne nni nnn nno nns no- nob nod noe noi non noo nos nsb nsd nse nsi nsn nso nss o-i ob- obb obd obe obi obn obo obs odb odd ode odi odn odo ods oeb oed oee oei oen oeo oes oib oid oie oii oin oio ois on- onb ond one oni onn ono ons oo- oob ood ooi oon ooo oos os- osb osd ose osi osn oso oss sbb sbd sbe sbi sbn sbo sbs sdb sdd sde sdi sdn sdo sds se- seb sed see sei sen seo ses sib sid sie sii sin sio sis snb snd sne sni snn sno sns sob sod soe soi son soo sos ss- ssb ssd sse ssi ssn sso sss