-ic bbb bbc bbg bbi bbn bbo bby bcb bcc bcg bci bcn bco bcy bgb bgc bgg bgi bgn bgo bi- bib bic big bii bin bio biy bnb bnc bng bni bnn bno bob boc bog boi bon boo boy by- byc byg byi byn byo c-- cbb cbc cbg cbi cbn cbo cby ccb ccc ccg cci ccn cco cgb cgc cgg cgi cgn cgo cgy ci- cib cic cig cii cin cio cn- cnb cnc cng cni cnn cno cny co- cob coc cog coi con coo coy cyb cyc cyg cyn cyo gbc gbg gbi gbn gbo gby gcb gcc gcg gci gcn gco ggb ggc ggg ggi ggn ggo gib gic gig gii gin gio giy gnb gnc gni gnn gno gob goc gog goi gon goo goy gy- gyb gyn gyo ibb ibc ibg ibi ibn ibo iby icb icc icg ici icn ico icy igb igc igg igi ign igo igy iib iic iii iin iio in- inb inc ing ini inn ino iny io- iob ioc iog ioi ion ioo iyc iyo iyy n-i nbb nbc nbg nbi nbn nbo ncb ncc ncg nci ncn nco ngb ngc ngg ngi ngn ngo nib nic nig nii nin nio nnb nnc nng nni nnn nno no- nob noc nog noi non noo noy nyc nyg nyn nyo nyy o-i ob- obb obc obg obi obn obo oby oc- ocb occ ocg oci ocn oco ogc ogg ogi ogn ogo ogy oib oic oii oin oio on- onb onc ong oni onn ono ony oo- oob ooc oog ooi oon ooo oyi oyo ybc ybg ybi yby ycc yci yco ycy ygc ygo yig yii yin yio yng ynn yny yob yoc yog yoi yon yoo yoy yyb yyc yyg yyy