-ic bbb bbc bbe bbg bbi bbl bbn bbt bcb bcc bce bcg bci bcl bcn bct be- beb bec bee beg bei bel ben bet bgb bgc bge bgg bgi bgl bgn bgt bi- bib bic bie big bii bil bin bit blb blc ble blg bli bll bln blt bnb bnc bne bng bni bnl bnn bnt btb btc bte btg bti btl btn btt c-- cbb cbc cbe cbg cbi cbl cbn cbt ccb ccc cce ccg cci ccl ccn cct ce- ceb cec cee ceg cei cel cen cet cgb cgc cge cgg cgi cgl cgn cgt ci- cib cic cie cig cii cil cin cit cl- clb clc cle clg cli cll cln clt cn- cnb cnc cne cng cni cnl cnn cnt ctb ctc cte ctg cti ctl ctn ctt ebb ebc ebe ebg ebi ebl ebn ebt ec- ecb ecc ece ecg eci ecl ecn ect eeb eec eee eeg eel een eet egb egc ege egg egi egl egn egt eib eic eie eig eii eil ein eit elb elc ele elg eli ell eln elt en- enb enc ene eng eni enl enn ent etb etc ete etg eti etl etn ett gbc gbe gbg gbi gbl gbn gbt gcb gcc gce gcg gci gcl gcn gct ge- geb gec gee geg gei gel gen get ggb ggc ggg ggi ggn ggt gib gic gie gig gii gil gin git glb glc gle glg gli gll gln glt gnb gnc gne gni gnl gnn gnt gtb gtc gte gtg gti gtl gtn gtt ibb ibc ibe ibg ibi ibl ibn ibt icb icc ice icg ici icl icn ict ie- iec iee ieg iei iel ien iet igb igc ige igg igi igl ign igt iib iic iie iii iil iin iit il- ilb ilc ile ilg ili ill iln ilt in- inb inc ine ing ini inl inn int itb itc ite itg iti itl itn itt lbb lbc lbe lbg lbi lbl lbt lcb lcc lce lcg lci lcl lcn lct leb lec lee leg lei lel len let lgb lgc lge lgg lgi lgl lgn lgt lib lic lie lig lii lil lin lit llb llc lle llg lli lll lln llt lnb lnc lne lng lni lnl lnn lnt ltb ltc lte ltg lti ltl ltt n-i nbb nbc nbe nbg nbi nbl nbn nbt ncb ncc nce ncg nci ncl ncn nct ne- neb nec nee neg nei nel nen net ngb ngc nge ngg ngi ngl ngn ngt nib nic nie nig nii nil nin nit nlb nlc nle nlg nli nll nln nlt nnb nnc nne nng nni nnl nnn nnt ntb ntc nte ntg nti ntn ntt tbb tbc tbe tbg tbi tbl tbn tbt tcb tcc tce tcg tci tcl tcn tct te- teb tec tee teg tei tel ten tet tgb tgc tge tgg tgi tgl tgn tgt tib tic tie tig tii til tin tit tlc tle tlg tli tll tln tlt tnb tnc tne tng tni tnl tnn tnt ttb ttc tte ttg tti ttl ttn ttt