-ic b-u bbb bbc bbg bbi bbn bbo bbt bbu bcb bcc bcg bci bcn bco bct bcu bgb bgc bgg bgi bgn bgo bgt bgu bi- bib bic big bii bin bio bit biu bnb bnc bng bni bnn bno bnt bnu bob boc bog boi bon boo bot bou btb btc btg bti btn bto btt btu bub buc bug bui bun buo but buu c-- cbb cbc cbg cbi cbn cbo cbt cbu ccb ccc ccg cci ccn cco cct ccu cgb cgc cgg cgi cgn cgo cgt cgu ci- cib cic cig cii cin cio cit ciu cn- cnb cnc cng cni cnn cno cnt cnu co- cob coc cog coi con coo cot cou ctb ctc ctg cti ctn cto ctt ctu cub cuc cug cui cun cuo cut cuu gbc gbg gbi gbn gbo gbt gbu gcb gcc gcg gci gcn gco gct gcu ggb ggc ggg ggi ggn ggo ggt ggu gib gic gig gii gin gio git giu gnb gnc gni gnn gno gnt gnu gob goc gog goi gon goo got gou gtb gtc gtg gti gtn gto gtt gtu gu- gub guc gug gui gun guo gut guu ibb ibc ibg ibi ibn ibo ibt ibu icb icc icg ici icn ico ict icu igb igc igg igi ign igo igt igu iib iic iii iin iio iit iiu in- inb inc ing ini inn ino int inu io- iob ioc iog ioi ion ioo iot iou itb itc itg iti itn ito itt itu iu- iub iuc iug iui iut n-i nbb nbc nbg nbi nbn nbo nbt nbu ncb ncc ncg nci ncn nco nct ncu ngb ngc ngg ngi ngn ngo ngt ngu nib nic nig nii nin nio nit niu nnb nnc nng nni nnn nno nnt nnu no- nob noc nog noi non noo not nou ntb ntc ntg nti ntn nto ntt ntu nub nuc nug nui nun nuo nut nuu o-i ob- obb obc obg obi obn obo obt obu oc- ocb occ ocg oci ocn oco oct ocu ogc ogg ogi ogn ogo ogt oib oic oii oin oio oit oiu on- onb onc ong oni onn ono ont onu oo- oob ooc oog ooi oon ooo oot ot- otb otc otg oti otn oto ott otu ou- ouc oui oun ouo out tbb tbc tbg tbi tbn tbo tbt tbu tcb tcc tcg tci tcn tco tct tcu tgb tgc tgg tgi tgn tgo tgt tgu tib tic tig tii tin tio tit tiu tnb tnc tng tni tnn tno tnt to- tob toc tog toi ton too tot tou ttb ttc ttg tti ttn tto ttt ttu tub tuc tug tui tun tuo tut tuu ubb ubc ubg ubi ubn ubo ubt ubu ucb ucc ucg uci ucn uco uct ucu ugb ugc ugg ugi ugn ugo ugt ugu uib uic uig uii uin uio uit uiu un- unb unc ung uni unn uno unt unu uob uoc uog uon uoo uot utb utc uti utn uto utt utu uuc uug uun uut uuu