-er -ji bbb bbe bbf bbg bbi bbk bbn bbr be- beb bee bef beg bei bek ben ber bfb bfe bff bfg bfi bfj bfn bfr bgb bge bgf bgg bgi bgk bgn bgr bi- bib bie bif big bii bij bik bin bir bjf bjg bji bjj bjk bjn bjr bkb bke bkf bkg bkk bkn bkr bnb bne bnf bng bni bnj bnk bnn bnr brb bre brf brg bri brj brk brn brr ebb ebe ebf ebg ebi ebj ebk ebn ebr eeb eee eef eeg eek een eer ef- efb efe eff efg efi efr egb ege egf egg egi egn egr eib eie eif eig eii eij eik ein eir ejf eji ekb eke ekf ekg eki ekr en- enb ene enf eng eni enk enn enr erb ere erf erg eri erk ern err fbb fbe fbf fbg fbi fbk fbn fbr feb fee fef feg fei fek fen fer ffe fff ffg ffi ffk ffn ffr fgb fge fgf fgg fgi fgn fgr fib fie fif fig fii fij fik fin fir fjb fjg fji fkb fkf fkg fki fkj fkk fnb fne fnf fng fni fnj fnk fnn fnr frb fre frf frg fri frj frk frn frr gbe gbf gbg gbi gbj gbk gbn gbr ge- geb gee gef geg gei gek gen ger gfb gfe gff gfi gfk gfr ggb ggg ggi ggj ggn ggr gib gie gif gig gii gij gik gin gir gje gjg gjr gkb gkn gnb gne gnf gni gnn gnr grb gre grf grg gri grj grk grn grr i-f ibb ibe ibf ibg ibi ibj ibk ibn ibr ie- iee ief ieg iei iej iek ien ier ifb ife iff ifg ifi ifn ifr igb ige igf igg igi igk ign igr iib iie iif iii iij iin iir ijb ije ijf ijg iji ijk ijn ikb ike ikf iki ikk ikr in- inb ine inf ing ini inj ink inn inr ir- irb ire irf irg iri irj irk irn irr j-i jbf jbg jbi jbj jbk jbr jeb jee jef jeg jei jej jek jen jer jfb jfe jff jfg jfi jfj jfk jfr jgb jge jgi jgn jgr jib jie jif jig jii jij jin jir jjb jjf jjg jjj jjk jjr jkb jkk jkn jkr jne jnf jng jnj jnn jnr jrb jrf jrg jri jrk jrn jrr kbb kbe kbf kbi kbk kbn kbr ke- keb kee kef keg kei kek ken ker kff kfg kfi kgb kgf kgi kib kie kif kig kii kij kik kin kir kjb kje kji kjr kkb kke kki kkk kkn kkr kn- kne knf kng kni knk knn knr krf krg kri krk krn krr n-i nbb nbe nbf nbg nbi nbk nbn nbr ne- neb nee nef neg nei nej nek nen ner nfb nfe nff nfi nfk nfn nfr ngb nge ngf ngg ngi ngj ngk ngn nib nie nif nig nii nik nin nir nje njf njk njn nke nkf nki nkj nkk nkn nkr nnb nne nnf nng nni nnk nnn nrb nre nrf nrg nri nrj nrk nrn nrr rbb rbe rbf rbg rbi rbk rbn rbr re- reb ree ref reg rei rek ren rer rfb rfe rff rfg rfi rfj rfk rfn rfr rgb rge rgf rgg rgi rgk rgn rgr rib rie rif rig rii rik rin rir rjf rjg rjk rjr rkb rke rkf rkg rkk rnb rng rni rnn rnr rrb rrf rrg rri rrk rrn rrr