-ic bbb bbc bbg bbi bbn bbo bbt bby bcb bcc bcg bci bcn bco bct bcy bgb bgc bgg bgi bgn bgo bgt bi- bib bic big bii bin bio bit biy bnb bnc bng bni bnn bno bnt bob boc bog boi bon boo bot boy btb btc btg bti btn bto btt bty by- byc byg byi byn byo byt c-- cbb cbc cbg cbi cbn cbo cbt cby ccb ccc ccg cci ccn cco cct cgb cgc cgg cgi cgn cgo cgt cgy ci- cib cic cig cii cin cio cit cn- cnb cnc cng cni cnn cno cnt cny co- cob coc cog coi con coo cot coy ctb ctc ctg cti ctn cto ctt cty cyb cyc cyg cyn cyo cyt gbc gbg gbi gbn gbo gbt gby gcb gcc gcg gci gcn gco gct ggb ggc ggg ggi ggn ggo ggt gib gic gig gii gin gio git giy gnb gnc gni gnn gno gnt gob goc gog goi gon goo got goy gtb gtc gtg gti gtn gto gtt gty gy- gyb gyn gyo ibb ibc ibg ibi ibn ibo ibt iby icb icc icg ici icn ico ict icy igb igc igg igi ign igo igt igy iib iic iii iin iio iit in- inb inc ing ini inn ino int iny io- iob ioc iog ioi ion ioo iot itb itc itg iti itn ito itt ity iyc iyo iyt iyy n-i nbb nbc nbg nbi nbn nbo nbt ncb ncc ncg nci ncn nco nct ngb ngc ngg ngi ngn ngo ngt nib nic nig nii nin nio nit nnb nnc nng nni nnn nno nnt no- nob noc nog noi non noo not noy ntb ntc ntg nti ntn nto ntt nyc nyg nyn nyo nyt nyy o-i ob- obb obc obg obi obn obo obt oby oc- ocb occ ocg oci ocn oco oct ogc ogg ogi ogn ogo ogt ogy oib oic oii oin oio oit on- onb onc ong oni onn ono ont ony oo- oob ooc oog ooi oon ooo oot ot- otb otc otg oti otn oto ott oyi oyo tbb tbc tbg tbi tbn tbo tbt tcb tcc tcg tci tcn tco tct tgb tgc tgg tgi tgn tgo tgt tgy tib tic tig tii tin tio tit tiy tnb tnc tng tni tnn tno tnt to- tob toc tog toi ton too tot toy ttb ttc ttg tti ttn tto ttt tty tyc tyg tyn tyo tyt ybc ybg ybi yby ycc yci yco ycy ygc ygo yig yii yin yio yit yng ynn yny yob yoc yog yoi yon yoo yot yoy ytc ytn yto ytt yyb yyc yyg yyt yyy