b-u bbb bbg bbi bbn bbo bbu bgb bgg bgi bgn bgo bgu bgz bi- bib big bii bin bio biu biz bnb bng bni bnn bno bnu bnz bob bog boi bon boo bou boz bub bug bui bun buo buu buz bzn bzo bzu bzz gbg gbi gbn gbo gbu gbz ggb ggg ggi ggn ggo ggu ggz gib gig gii gin gio giu giz gnb gni gnn gno gnu gob gog goi gon goo gou goz gu- gub gug gui gun guo guu guz gzo gzu ibb ibg ibi ibn ibo ibu ibz igb igg igi ign igo igu iib iii iin iio iiu in- inb ing ini inn ino inu io- iob iog ioi ion ioo iou iu- iub iug iui iuz izi izo izu izz n-i nbb nbg nbi nbn nbo nbu ngb ngg ngi ngn ngo ngu nib nig nii nin nio niu niz nnb nng nni nnn nno nnu nnz no- nob nog noi non noo nou noz nub nug nui nun nuo nuu nzb nzg nzi nzo nzz o-i ob- obb obg obi obn obo obu ogg ogi ogn ogo oib oii oin oio oiu oiz on- onb ong oni onn ono onu oo- oob oog ooi oon ooo ou- oui oun ouo ozo ozu ozz ubb ubg ubi ubn ubo ubu ugb ugg ugi ugn ugo ugu uib uig uii uin uio uiu un- unb ung uni unn uno unu uob uog uon uoo uug uun uuu uzb uzi uzo uzu z-g zbb zgb zgg zgi zib zig zin zio ziz znn zno zo- zob zog zoi zon zoo zou zub zug zui zun zuz zzz