-er b-u bbb bbe bbh bbi bbn bbr bbu be- beb bee beh bei ben ber beu bez bhb bhe bhh bhi bhr bhu bi- bib bie bih bii bin bir biu biz bnb bne bni bnn bnr bnu bnz brb bre brh bri brn brr bru brz bub bue buh bui bun bur buu buz bze bzh bzn bzr bzu bzz ebb ebe ebh ebi ebn ebr ebu eeb eee een eer ehb ehe ehh ehi ehn ehr ehu eib eie eii ein eir eiu en- enb ene enh eni enn enr enu enz erb ere erh eri ern err eru erz eu- eub eue eui eun eur eze ezh ezr ezz h-i hbb hbe hbh hbi hbn hbr hbu hbz he- heb hee heh hei hen her heu hez hhb hhe hhh hhi hhn hhr hhu hhz hib hie hih hii hin hir hiu hnb hne hnh hnn hnu hnz hr- hrb hre hrh hri hrn hrr hru hrz hub hue huh hui hun hur huu huz hze ibb ibe ibh ibi ibn ibr ibu ibz ie- iee iei ien ier ihb ihe ihh ihi ihn ihr ihu iib iie iih iii iin iir iiu in- inb ine inh ini inn inr inu ir- irb ire iri irn irr iru iu- iub iue iui iur iuz ize izh izi izu izz n-i nbb nbe nbi nbn nbr nbu ne- neb nee neh nei nen ner neu nez nhb nhe nhh nhi nhn nhr nhu nhz nib nie nih nii nin nir niu niz nnb nne nnh nni nnn nnu nnz nrb nre nri nrn nrr nru nrz nub nue nuh nui nun nur nuu nzb nze nzi nzz rbb rbe rbh rbi rbn rbr rbu re- reb ree reh rei ren rer reu rez rh- rhb rhe rhh rhi rhn rhr rhu rib rie rih rii rin rir riz rnb rnh rni rnn rnr rnu rnz rrb rrh rri rrn rrr rru rub rue ruh rui run rur ruu ruz rzb rze ubb ube ubh ubi ubn ubr ubu ueb uee ueh uei uen uer uhb uhe uhh uhi uhr uhu uib uie uii uin uir uiu un- unb une unh uni unn unr unu ur- urb ure uri urn urr uru urz uue uun uur uuu uzb uzh uzi uzu zbb zbr zeb zee zeh zen zer zez zhe zhi zhr zhu zib zie zin zir ziz zne znn zrh zub zui zun zur zuz zzr zzz