-er bbb bbe bbf bbh bbi bbn bbo bbr bbs be- beb bee bef beh bei ben beo ber bes bfb bfe bff bfh bfi bfn bfo bfr bfs bhb bhe bhf bhh bhi bho bhr bhs bi- bib bie bif bih bii bin bio bir bis bnb bne bnf bni bnn bno bnr bns bob boe bof boh boi bon boo bor bos brb bre brf brh bri brn bro brr brs bsb bse bsf bsh bsi bsn bso bsr bss ebb ebe ebf ebh ebi ebn ebo ebr ebs eeb eee eef een eeo eer ees ef- efb efe eff efh efi efo efr efs ehb ehe ehf ehh ehi ehn eho ehr ehs eib eie eif eii ein eio eir eis en- enb ene enf enh eni enn eno enr ens eo- eob eoe eof eoh eoi eon eoo eor eos erb ere erf erh eri ern ero err ers es- esb ese esf esh esi esn eso esr ess fbb fbe fbf fbh fbi fbn fbo fbr fbs feb fee fef feh fei fen feo fer fes ffe fff ffh ffi ffn ffo ffr ffs fhb fhe fhf fhh fhi fhn fho fhr fhs fib fie fif fih fii fin fir fis fnb fne fnf fnh fni fnn fnr fns fob foe fof foh foi fon foo for fos frb fre frf frh fri frn fro frr frs fsb fse fsf fsh fsi fsn fso fsr fss h-i hbb hbe hbf hbh hbi hbn hbo hbr hbs he- heb hee hef heh hei hen heo her hes hfb hfe hff hfh hfi hfn hfo hfr hfs hhb hhe hhf hhh hhi hhn hho hhr hhs hib hie hif hih hii hin hio hir his hnb hne hnf hnh hnn hno hns hob hoe hof hoh hoi hon hoo hor hos hr- hrb hre hrf hrh hri hrn hro hrr hrs hsb hse hsf hsh hsi hsn hsr hss i-f ibb ibe ibf ibh ibi ibn ibo ibr ibs ie- iee ief iei ien ier ies ifb ife iff ifi ifn ifo ifr ifs ihb ihe ihf ihh ihi ihn iho ihr ihs iib iie iif iih iii iin iio iir iis in- inb ine inf inh ini inn ino inr ins io- iob ioe iof ioh ioi ion ioo ior ios ir- irb ire irf iri irn iro irr irs is- isb ise isf ish isi isn iso isr iss n-i nbb nbe nbf nbi nbn nbo nbr nbs ne- neb nee nef neh nei nen neo ner nes nfb nfe nff nfi nfn nfo nfr nfs nhb nhe nhf nhh nhi nhn nhr nhs nib nie nif nih nii nin nio nir nis nnb nne nnf nnh nni nnn nno nns no- nob noe nof noh noi non noo nor nos nrb nre nrf nri nrn nro nrr nrs nsb nse nsf nsh nsi nsn nso nsr nss o-i ob- obb obe obf obh obi obn obo obr obs oeb oee oef oeh oei oen oeo oer oes of- ofb ofe off ofi ofn ofo ofr ofs ohe ohf ohh ohi ohn oho ohr ohs oib oie oif oii oin oio oir ois on- onb one onf onh oni onn ono onr ons oo- oob oof ooh ooi oon ooo oor oos or- orb ore orf orh ori orn oro orr ors os- osb ose osf osh osi osn oso osr oss rbb rbe rbf rbh rbi rbn rbo rbr rbs re- reb ree ref reh rei ren reo rer res rfb rfe rff rfh rfi rfn rfo rfr rfs rh- rhb rhe rhf rhh rhi rhn rho rhr rhs rib rie rif rih rii rin rio rir ris rnb rnh rni rnn rno rnr rns rob roe rof roh roi ron roo ror ros rrb rrf rrh rri rrn rrr rrs rsb rse rsf rsh rsi rsn rso rsr rss sbb sbe sbf sbh sbi sbn sbo sbr sbs se- seb see sef seh sei sen seo ser ses sfb sfe sff sfh sfi sfn sfo sfr sfs sh- shb she shf shh shi shn sho shr shs sib sie sif sih sii sin sio sir sis snb sne snf sni snn sno snr sns sob soe sof soh soi son soo sor sos sr- srb sre srf srh sri srn sro srr srs ss- ssb sse ssf ssh ssi ssn sso ssr sss