-er b-u bbb bbe bbh bbi bbk bbn bbr bbu be- beb bee beh bei bek ben ber beu bhb bhe bhh bhi bhk bhr bhu bi- bib bie bih bii bik bin bir biu bkb bke bkk bkn bkr bnb bne bni bnk bnn bnr bnu brb bre brh bri brk brn brr bru bub bue buh bui buk bun bur buu ebb ebe ebh ebi ebk ebn ebr ebu eeb eee eek een eer ehb ehe ehh ehi ehn ehr ehu eib eie eii eik ein eir eiu ekb eke ekh eki ekr eku en- enb ene enh eni enk enn enr enu erb ere erh eri erk ern err eru eu- eub eue eui eun eur h-i hbb hbe hbh hbi hbk hbn hbr hbu he- heb hee heh hei hek hen her heu hhb hhe hhh hhi hhk hhn hhr hhu hib hie hih hii hik hin hir hiu hkb hkh hki hkk hkn hkr hku hnb hne hnh hnk hnn hnu hr- hrb hre hrh hri hrk hrn hrr hru hub hue huh hui huk hun hur huu ibb ibe ibh ibi ibk ibn ibr ibu ie- iee iei iek ien ier ihb ihe ihh ihi ihk ihn ihr ihu iib iie iih iii iin iir iiu ikb ike iki ikk ikr iku in- inb ine inh ini ink inn inr inu ir- irb ire iri irk irn irr iru iu- iub iue iui iur kbb kbe kbh kbi kbk kbn kbr kbu ke- keb kee keh kei kek ken ker khe khh khi khk khn khr khu kib kie kih kii kik kin kir kiu kkb kke kkh kki kkk kkn kkr kku kn- kne kni knk knn knr knu kri krk krn krr kru kub kue kuh kui kuk kun kur kuu n-i nbb nbe nbi nbk nbn nbr nbu ne- neb nee neh nei nek nen ner neu nhb nhe nhh nhi nhk nhn nhr nhu nib nie nih nii nik nin nir niu nke nki nkk nkn nkr nku nnb nne nnh nni nnk nnn nnu nrb nre nri nrk nrn nrr nru nub nue nuh nui nuk nun nur nuu rbb rbe rbh rbi rbk rbn rbr rbu re- reb ree reh rei rek ren rer reu rh- rhb rhe rhh rhi rhn rhr rhu rib rie rih rii rik rin rir rkb rke rkk rku rnb rnh rni rnn rnr rnu rrb rrh rri rrk rrn rrr rru rub rue ruh rui ruk run rur ruu ubb ube ubh ubi ubk ubn ubr ubu ueb uee ueh uei uen uer uhb uhe uhh uhi uhr uhu uib uie uii uin uir uiu ukb uke uki ukk ukn ukr uku un- unb une unh uni unk unn unr unu ur- urb ure uri urk urn urr uru uue uun uur uuu