bbb bbf bbi bbn bbr bfb bff bfi bfn bfr bi- bib bif bii bin bir bnb bnf bni bnn bnr brb brf bri brn brr fbb fbf fbi fbn fbr fff ffi ffn ffr fib fif fii fin fir fnb fnf fni fnn fnr frb frf fri frn frr i-f ibb ibf ibi ibn ibr ifb iff ifi ifn ifr iib iif iii iin iir in- inb inf ini inn inr ir- irb irf iri irn irr n-i nbb nbf nbi nbn nbr nfb nff nfi nfn nfr nib nif nii nin nir nnb nnf nni nnn nrb nrf nri nrn nrr rbb rbf rbi rbn rbr rfb rff rfi rfn rfr rib rif rii rin rir rnb rni rnn rnr rrb rrf rri rrn rrr

bbbb bbfn bbin bibb bibi biff bifi biin bin- bini binn birb biri birn birr bnib bnin bnrr brin brrr ffff ffii ffrr fiff fifi fiii fini finn firn frib frin ibfi ibri ifbb ifni ifnr ifrb ifrf ifri iiii infi inni innr inri iri- irin irri n-ii nfff nfib nibi niff niir nini nnnn rbbb rbbr rib- riff riif riin rinf rinn riri rnbr rnin rrif rrrr

bibin bibri biffi birin birni brini brinn brrrr fibr- fiini finif if-- ifin iiiii inbin infin inini irinn nibbi niibi ninib ri-fi ribbi ribin

bbbbbb bibiri biffin biribi birini bribir bribri finiff finnif infini nibrin ribbin riffin rififi

bbbbbbb brinfir finniff nib-nib

bbbbbbbb i-ii-iii

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