b-u bbb bbd bbe bbi bbn bbo bbt bbu bdb bdd bde bdi bdo bdt bdu be- beb bed bee bei ben beo bet beu bi- bib bid bie bii bin bio bit biu bnb bnd bne bni bnn bno bnt bnu bob bod boe boi bon boo bot bou btb btd bte bti btn bto btt btu bub bud bue bui bun buo but buu dbb dbd dbe dbi dbn dbo dbt dbu ddb ddd dde ddi ddn ddo ddt ddu de- deb ded dee dei den deo det deu di- dib did die dii din dio dit diu dnb dnd dne dni dnn dno dnt dob dod doe doi don doo dot dou dtb dtd dte dti dtn dto dtt dtu dub dud due dui dun duo dut ebb ebd ebe ebi ebn ebo ebt ebu ed- edb edd ede edi edn edo edt edu eeb eed eee een eeo eet eib eid eie eii ein eio eit eiu en- enb end ene eni enn eno ent enu eo- eob eod eoe eoi eon eoo eot eou etb etd ete eti etn eto ett etu eu- eub eud eue eui eun eut i-d ibb ibd ibe ibi ibn ibo ibt ibu idb idd ide idi idn ido idt idu ie- ied iee iei ien iet iib iid iie iii iin iio iit iiu in- inb ind ine ini inn ino int inu io- iob iod ioe ioi ion ioo iot iou itb itd ite iti itn ito itt itu iu- iub iud iue iui iut n-i nbb nbd nbe nbi nbn nbo nbt nbu ndb ndd nde ndi ndn ndo ndt ndu ne- neb ned nee nei nen neo net neu nib nid nie nii nin nio nit niu nnb nne nni nnn nno nnt nnu no- nob nod noe noi non noo not nou ntb ntd nte nti ntn nto ntt ntu nub nud nue nui nun nuo nut nuu o-i ob- obb obd obe obi obn obo obt obu odb odd ode odi odn odo odt odu oeb oed oee oei oen oeo oet oib oid oie oii oin oio oit oiu on- onb ond one oni onn ono ont onu oo- oob ood ooi oon ooo oot ot- otb otd ote oti otn oto ott otu ou- oud oue oui oun ouo out tbb tbd tbe tbi tbn tbo tbt tbu tdb tdd tde tdi tdn tdo tdt tdu te- teb ted tee tei ten teo tet teu tib tid tie tii tin tio tit tiu tnb tnd tne tni tnn tno tnt to- tob tod toe toi ton too tot tou ttb ttd tte tti ttn tto ttt ttu tub tud tue tui tun tuo tut tuu ubb ube ubi ubn ubo ubt ubu udb udd ude udi udn udo udt udu ueb ued uee uei uen uet uib uid uie uii uin uio uit uiu un- unb und une uni unn uno unt unu uob uod uoe uon uoo uot utb utd ute uti utn uto utt utu uue uun uut uuu