b-u bbb bbd bbi bbn bbo bbt bbu bdb bdd bdi bdo bdt bdu bi- bib bid bii bin bio bit biu bnb bnd bni bnn bno bnt bnu bob bod boi bon boo bot bou btb btd bti btn bto btt btu bub bud bui bun buo but buu dbb dbd dbi dbn dbo dbt dbu ddb ddd ddi ddn ddo ddt ddu di- dib did dii din dio dit diu dnb dnd dni dnn dno dnt dob dod doi don doo dot dou dtb dtd dti dtn dto dtt dtu dub dud dui dun duo dut i-d ibb ibd ibi ibn ibo ibt ibu idb idd idi idn ido idt idu iib iid iii iin iio iit iiu in- inb ind ini inn ino int inu io- iob iod ioi ion ioo iot iou itb itd iti itn ito itt itu iu- iub iud iui iut n-i nbb nbd nbi nbn nbo nbt nbu ndb ndd ndi ndn ndo ndt ndu nib nid nii nin nio nit niu nnb nni nnn nno nnt nnu no- nob nod noi non noo not nou ntb ntd nti ntn nto ntt ntu nub nud nui nun nuo nut nuu o-i ob- obb obd obi obn obo obt obu odb odd odi odn odo odt odu oib oid oii oin oio oit oiu on- onb ond oni onn ono ont onu oo- oob ood ooi oon ooo oot ot- otb otd oti otn oto ott otu ou- oud oui oun ouo out tbb tbd tbi tbn tbo tbt tbu tdb tdd tdi tdn tdo tdt tdu tib tid tii tin tio tit tiu tnb tnd tni tnn tno tnt to- tob tod toi ton too tot tou ttb ttd tti ttn tto ttt ttu tub tud tui tun tuo tut tuu ubb ubi ubn ubo ubt ubu udb udd udi udn udo udt udu uib uid uii uin uio uit uiu un- unb und uni unn uno unt unu uob uod uon uoo uot utb utd uti utn uto utt utu uun uut uuu