-er b-u bbb bbe bbf bbh bbk bbn bbr bbu be- beb bee bef beh bek ben ber beu bfb bfe bff bfh bfn bfr bfu bhb bhe bhf bhh bhk bhr bhu bkb bke bkf bkk bkn bkr bnb bne bnf bnk bnn bnr bnu brb bre brf brh brk brn brr bru bub bue buf buh buk bun bur buu ebb ebe ebf ebh ebk ebn ebr ebu eeb eee eef eek een eer ef- efb efe eff efh efr ehb ehe ehf ehh ehn ehr ehu ekb eke ekf ekh ekr eku en- enb ene enf enh enk enn enr enu erb ere erf erh erk ern err eru eu- eub eue euf eun eur fbb fbe fbf fbh fbk fbn fbr fbu feb fee fef feh fek fen fer feu ffe fff ffh ffk ffn ffr ffu fhb fhe fhf fhh fhn fhr fkb fkf fkk fnb fne fnf fnh fnk fnn fnr fnu frb fre frf frh frk frn frr fru fub fue fuf fuk fun fur fuu hbb hbe hbf hbh hbk hbn hbr hbu he- heb hee hef heh hek hen her heu hfb hfe hff hfh hfk hfn hfr hfu hhb hhe hhf hhh hhk hhn hhr hhu hkb hkf hkh hkk hkn hkr hku hnb hne hnf hnh hnk hnn hnu hr- hrb hre hrf hrh hrk hrn hrr hru hub hue huf huh huk hun hur huu kbb kbe kbf kbh kbk kbn kbr kbu ke- keb kee kef keh kek ken ker kff kfh kfu khe khf khh khk khn khr khu kkb kke kkh kkk kkn kkr kku kn- kne knf knk knn knr knu krf krk krn krr kru kub kue kuh kuk kun kur kuu nbb nbe nbf nbk nbn nbr nbu ne- neb nee nef neh nek nen ner neu nfb nfe nff nfk nfn nfr nfu nhb nhe nhf nhh nhk nhn nhr nhu nke nkf nkk nkn nkr nku nnb nne nnf nnh nnk nnn nnu nrb nre nrf nrk nrn nrr nru nub nue nuh nuk nun nur nuu rbb rbe rbf rbh rbk rbn rbr rbu re- reb ree ref reh rek ren rer reu rfb rfe rff rfh rfk rfn rfr rfu rh- rhb rhe rhf rhh rhn rhr rhu rkb rke rkf rkk rku rnb rnh rnn rnr rnu rrb rrf rrh rrk rrn rrr rru rub rue ruf ruh ruk run rur ruu ubb ube ubf ubh ubk ubn ubr ubu ueb uee uef ueh uen uer ufe uff ufh ufn ufr ufu uhb uhe uhf uhh uhr uhu ukb uke ukf ukk ukn ukr uku un- unb une unf unh unk unn unr unu ur- urb ure urf urk urn urr uru uue uun uur uuu

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