-ic b-u bbb bbc bbg bbi bbn bbo bbu bcb bcc bcg bci bcn bco bcu bgb bgc bgg bgi bgn bgo bgu bi- bib bic big bii bin bio biu bnb bnc bng bni bnn bno bnu bob boc bog boi bon boo bou bub buc bug bui bun buo buu c-- cbb cbc cbg cbi cbn cbo cbu ccb ccc ccg cci ccn cco ccu cgb cgc cgg cgi cgn cgo cgu ci- cib cic cig cii cin cio ciu cn- cnb cnc cng cni cnn cno cnu co- cob coc cog coi con coo cou cub cuc cug cui cun cuo cuu gbc gbg gbi gbn gbo gbu gcb gcc gcg gci gcn gco gcu ggb ggc ggg ggi ggn ggo ggu gib gic gig gii gin gio giu gnb gnc gni gnn gno gnu gob goc gog goi gon goo gou gu- gub guc gug gui gun guo guu ibb ibc ibg ibi ibn ibo ibu icb icc icg ici icn ico icu igb igc igg igi ign igo igu iib iic iii iin iio iiu in- inb inc ing ini inn ino inu io- iob ioc iog ioi ion ioo iou iu- iub iuc iug iui n-i nbb nbc nbg nbi nbn nbo nbu ncb ncc ncg nci ncn nco ncu ngb ngc ngg ngi ngn ngo ngu nib nic nig nii nin nio niu nnb nnc nng nni nnn nno nnu no- nob noc nog noi non noo nou nub nuc nug nui nun nuo nuu o-i ob- obb obc obg obi obn obo obu oc- ocb occ ocg oci ocn oco ocu ogc ogg ogi ogn ogo oib oic oii oin oio oiu on- onb onc ong oni onn ono onu oo- oob ooc oog ooi oon ooo ou- ouc oui oun ouo ubb ubc ubg ubi ubn ubo ubu ucb ucc ucg uci ucn uco ucu ugb ugc ugg ugi ugn ugo ugu uib uic uig uii uin uio uiu un- unb unc ung uni unn uno unu uob uoc uog uon uoo uuc uug uun uuu