-er b-u bbb bbe bbf bbi bbm bbn bbo bbr bbs bbu be- beb bee bef bei bem ben beo ber bes beu bfb bfe bff bfi bfm bfn bfo bfr bfs bfu bi- bib bie bif bii bim bin bio bir bis biu bmb bme bmf bmi bmm bmn bmo bmr bms bmu bnb bne bnf bni bnn bno bnr bns bnu bob boe bof boi bom bon boo bor bos bou brb bre brf bri brm brn bro brr brs bru bsb bse bsf bsi bsm bsn bso bsr bss bsu bub bue buf bui bum bun buo bur bus buu ebb ebe ebf ebi ebm ebn ebo ebr ebs ebu eeb eee eef eem een eeo eer ees ef- efb efe eff efi efm efo efr efs eib eie eif eii eim ein eio eir eis eiu em- emb eme emf emi emm emn emo emr ems emu en- enb ene enf eni enm enn eno enr ens enu eo- eob eoe eof eoi eom eon eoo eor eos eou erb ere erf eri erm ern ero err ers eru es- esb ese esf esi esm esn eso esr ess esu eu- eub eue euf eui eun eur eus fbb fbe fbf fbi fbm fbn fbo fbr fbs fbu feb fee fef fei fem fen feo fer fes feu ffe fff ffi ffm ffn ffo ffr ffs ffu fib fie fif fii fim fin fir fis fiu fmb fme fmf fmi fmm fmn fmo fmr fms fmu fnb fne fnf fni fnm fnn fnr fns fnu fob foe fof foi fom fon foo for fos fou frb fre frf fri frm frn fro frr frs fru fsb fse fsf fsi fsm fsn fso fsr fss fsu fub fue fuf fui fum fun fuo fur fus fuu i-f ibb ibe ibf ibi ibm ibn ibo ibr ibs ibu ie- iee ief iei iem ien ier ies ifb ife iff ifi ifm ifn ifo ifr ifs ifu iib iie iif iii iim iin iio iir iis iiu im- imb ime imf imi imm imn imo ims imu in- inb ine inf ini inm inn ino inr ins inu io- iob ioe iof ioi iom ion ioo ior ios iou ir- irb ire irf iri irm irn iro irr irs iru is- isb ise isf isi ism isn iso isr iss isu iu- iub iue iui ium iur ius m-f m-o m-r mbb mbe mbf mbi mbm mbo mbr mbs mbu meb mee mef mei mem men meo mer mes meu mfb mfe mff mfi mfm mfn mfo mfr mfs mfu mi- mib mie mif mii mim min mio mir mis miu mmb mme mmf mmi mmm mmn mmo mmr mms mmu mnb mne mnf mni mnm mnn mno mnr mns mnu mob moe mof moi mom mon moo mor mos mou mrb mre mrf mri mrm mrn mro mrr mrs mru msb mse msf msi msm msn mso msr mss msu mub mue muf mui mum mun mur mus muu n-i nbb nbe nbf nbi nbm nbn nbo nbr nbs nbu ne- neb nee nef nei nem nen neo ner nes neu nfb nfe nff nfi nfn nfo nfr nfs nfu nib nie nif nii nim nin nio nir nis niu nmb nme nmi nmm nmn nmo nmr nms nmu nnb nne nnf nni nnm nnn nno nns nnu no- nob noe nof noi nom non noo nor nos nou nrb nre nrf nri nrm nrn nro nrr nrs nru nsb nse nsf nsi nsm nsn nso nsr nss nsu nub nue nui num nun nuo nur nus nuu o-i ob- obb obe obf obi obm obn obo obr obs obu oeb oee oef oei oem oen oeo oer oes of- ofb ofe off ofi ofm ofn ofo ofr ofs ofu oib oie oif oii oim oin oio oir ois oiu om- omb ome omf omi omm omn omo omr oms omu on- onb one onf oni onn ono onr ons onu oo- oob oof ooi oom oon ooo oor oos or- orb ore orf ori orm orn oro orr ors oru os- osb ose osf osi osm osn oso osr oss osu ou- oue ouf oui oum oun ouo our ous rbb rbe rbf rbi rbm rbn rbo rbr rbs rbu re- reb ree ref rei rem ren reo rer res reu rfb rfe rff rfi rfm rfn rfo rfr rfs rfu rib rie rif rii rim rin rio rir ris rmb rme rmf rmi rmm rmn rmo rmr rms rnb rni rnm rnn rno rnr rns rnu rob roe rof roi rom ron roo ror ros rou rrb rrf rri rrm rrn rrr rrs rru rsb rse rsf rsi rsm rsn rso rsr rss rsu rub rue ruf rui rum run ruo rur rus ruu sbb sbe sbf sbi sbm sbn sbo sbr sbs sbu se- seb see sef sei sem sen seo ser ses seu sfb sfe sff sfi sfm sfn sfo sfr sfs sfu sib sie sif sii sim sin sio sir sis siu smb sme smf smi smm smn smo smr sms smu snb sne snf sni snm snn sno snr sns snu sob soe sof soi som son soo sor sos sou sr- srb sre srf sri srm srn sro srr srs ss- ssb sse ssf ssi ssm ssn sso ssr sss ssu sub sue suf sui sum sun suo sur sus suu ubb ube ubf ubi ubn ubo ubr ubs ubu ueb uee uef uei uem uen uer ues ufe uff ufi ufm ufn ufo ufr ufs ufu uib uie uif uii uim uin uio uir uis uiu um- umb ume umf umi umm umn umo umr ums umu un- unb une unf uni unm unn uno unr uns unu uob uoe uom uon uoo uor uos ur- urb ure urf uri urm urn uro urr urs uru usb use usf usi usm usn uso usr uss usu uue uum uun uur uus uuu