b-u bbb bbd bbg bbi bbn bbo bbr bbu bdb bdd bdg bdi bdo bdr bdu bgb bgd bgg bgi bgn bgo bgr bgu bi- bib bid big bii bin bio bir biu bnb bnd bng bni bnn bno bnr bnu bob bod bog boi bon boo bor bou brb brd brg bri brn bro brr bru bub bud bug bui bun buo bur buu dbb dbd dbg dbi dbn dbo dbr dbu ddb ddd ddg ddi ddn ddo ddr ddu dgd dgg dgi dgn dgr dgu di- dib did dig dii din dio dir diu dnb dnd dng dni dnn dno dnr dob dod dog doi don doo dor dou drb drd drg dri drn dro drr dru dub dud dug dui dun duo dur g-d gbd gbg gbi gbn gbo gbr gbu gdb gdd gdi gdn gdo gdr gdu ggb ggd ggg ggi ggn ggo ggr ggu gib gid gig gii gin gio gir giu gnb gnd gni gnn gno gnr gnu gob god gog goi gon goo gor gou grb grd grg gri grn gro grr gru gu- gub gud gug gui gun guo gur guu i-d ibb ibd ibg ibi ibn ibo ibr ibu idb idd idg idi idn ido idr idu igb igd igg igi ign igo igr igu iib iid iii iin iio iir iiu in- inb ind ing ini inn ino inr inu io- iob iod iog ioi ion ioo ior iou ir- irb ird irg iri irn iro irr iru iu- iub iud iug iui iur n-i nbb nbd nbg nbi nbn nbo nbr nbu ndb ndd ndg ndi ndn ndo ndr ndu ngb ngd ngg ngi ngn ngo ngu nib nid nig nii nin nio nir niu nnb nng nni nnn nno nnu no- nob nod nog noi non noo nor nou nrb nrd nrg nri nrn nro nrr nru nub nud nug nui nun nuo nur nuu o-i ob- obb obd obg obi obn obo obr obu odb odd odg odi odn odo odr odu ogd ogg ogi ogn ogo oib oid oii oin oio oir oiu on- onb ond ong oni onn ono onr onu oo- oob ood oog ooi oon ooo oor or- orb ord org ori orn oro orr oru ou- oud oui oun ouo our rbb rbd rbg rbi rbn rbo rbr rbu rdb rdd rdg rdi rdn rdo rdr rdu rgb rgd rgg rgi rgn rgo rgr rib rid rig rii rin rio rir rnb rnd rng rni rnn rno rnr rnu rob rod rog roi ron roo ror rou rrb rrd rrg rri rrn rrr rru rub rud rug rui run ruo rur ruu ubb ubg ubi ubn ubo ubr ubu udb udd udg udi udn udo udr udu ugb ugg ugi ugn ugo ugr ugu uib uid uig uii uin uio uir uiu un- unb und ung uni unn uno unr unu uob uod uog uon uoo uor ur- urb urd urg uri urn uro urr uru uug uun uur uuu