-er bbb bbe bbh bbi bbk bbn bbr bbs be- beb bee beh bei bek ben ber bes bhb bhe bhh bhi bhk bhr bhs bi- bib bie bih bii bik bin bir bis bkb bke bkk bkn bkr bks bnb bne bni bnk bnn bnr bns brb bre brh bri brk brn brr brs bsb bse bsh bsi bsk bsn bsr bss ebb ebe ebh ebi ebk ebn ebr ebs eeb eee eek een eer ees ehb ehe ehh ehi ehn ehr ehs eib eie eii eik ein eir eis ekb eke ekh eki ekr eks en- enb ene enh eni enk enn enr ens erb ere erh eri erk ern err ers es- esb ese esh esi esk esn esr ess h-i hbb hbe hbh hbi hbk hbn hbr hbs he- heb hee heh hei hek hen her hes hhb hhe hhh hhi hhk hhn hhr hhs hib hie hih hii hik hin hir his hkb hkh hki hkk hkn hkr hks hnb hne hnh hnk hnn hns hr- hrb hre hrh hri hrk hrn hrr hrs hsb hse hsh hsi hsk hsn hsr hss ibb ibe ibh ibi ibk ibn ibr ibs ie- iee iei iek ien ier ies ihb ihe ihh ihi ihk ihn ihr ihs iib iie iih iii iin iir iis ikb ike iki ikk ikr iks in- inb ine inh ini ink inn inr ins ir- irb ire iri irk irn irr irs is- isb ise ish isi isk isn isr iss kbb kbe kbh kbi kbk kbn kbr kbs ke- keb kee keh kei kek ken ker kes khe khh khi khk khn khr khs kib kie kih kii kik kin kir kis kkb kke kkh kki kkk kkn kkr kks kn- kne kni knk knn knr kri krk krn krr krs ksb kse ksh ksi ksk ksn ksr kss n-i nbb nbe nbi nbk nbn nbr nbs ne- neb nee neh nei nek nen ner nes nhb nhe nhh nhi nhk nhn nhr nhs nib nie nih nii nik nin nir nis nke nki nkk nkn nkr nks nnb nne nnh nni nnk nnn nns nrb nre nri nrk nrn nrr nrs nsb nse nsh nsi nsk nsn nsr nss rbb rbe rbh rbi rbk rbn rbr rbs re- reb ree reh rei rek ren rer res rh- rhb rhe rhh rhi rhn rhr rhs rib rie rih rii rik rin rir ris rkb rke rkk rks rnb rnh rni rnn rnr rns rrb rrh rri rrk rrn rrr rrs rsb rse rsh rsi rsk rsn rsr rss sbb sbe sbh sbi sbk sbn sbr sbs se- seb see seh sei sek sen ser ses sh- shb she shh shi shk shn shr shs sib sie sih sii sik sin sir sis sk- skb ske skh ski skk skr sks snb sne sni snk snn snr sns sr- srb sre srh sri srk srn srr srs ss- ssb sse ssh ssi ssk ssn ssr sss