-ji b-u bbb bbi bbn bbr bbu bi- bib bii bij bin bir biu bji bjj bjn bjr bju bnb bni bnj bnn bnr bnu brb bri brj brn brr bru bub bui buj bun bur buu ibb ibi ibj ibn ibr ibu iib iii iij iin iir iiu ijb iji ijn iju in- inb ini inj inn inr inu ir- irb iri irj irn irr iru iu- iub iui iur j-i jbi jbj jbr jbu jib jii jij jin jir jiu jjb jjj jjr jju jnj jnn jnr jnu jrb jri jrn jrr jub jui jun jur n-i nbb nbi nbn nbr nbu nib nii nin nir niu njn nju nnb nni nnn nnu nrb nri nrj nrn nrr nru nub nui nuj nun nur nuu rbb rbi rbn rbr rbu rib rii rin rir rjr rnb rni rnn rnr rnu rrb rri rrn rrr rru rub rui run rur ruu ubb ubi ubn ubr ubu uib uii uin uir uiu uji un- unb uni unn unr unu ur- urb uri urn urr uru uun uur uuu