-ic bbb bbc bbe bbg bbi bbm bbt bcb bcc bce bcg bci bcm bct be- beb bec bee beg bei bem bet bgb bgc bge bgg bgi bgm bgt bi- bib bic bie big bii bim bit bmb bmc bme bmg bmi bmm bmt btb btc bte btg bti btm btt c-- cbb cbc cbe cbg cbi cbm cbt ccb ccc cce ccg cci ccm cct ce- ceb cec cee ceg cei cem cet cgb cgc cge cgg cgi cgm cgt ci- cib cic cie cig cii cim cit cmb cmc cme cmg cmi cmm cmt ctb ctc cte ctg cti ctm ctt ebb ebc ebe ebg ebi ebm ebt ec- ecb ecc ece ecg eci ecm ect eeb eec eee eeg eem eet egb egc ege egg egi egm egt eib eic eie eig eii eim eit em- emb emc eme emg emi emm emt etb etc ete etg eti etm ett gbc gbe gbg gbi gbm gbt gcb gcc gce gcg gci gcm gct ge- geb gec gee geg gei gem get ggb ggc ggg ggi ggm ggt gib gic gie gig gii gim git gmb gmc gme gmg gmi gmm gmt gtb gtc gte gtg gti gtm gtt ibb ibc ibe ibg ibi ibm ibt icb icc ice icg ici icm ict ie- iec iee ieg iei iem iet igb igc ige igg igi igm igt iib iic iie iii iim iit im- imb imc ime img imi imm imt itb itc ite itg iti itm itt mbb mbc mbe mbg mbi mbm mbt mc- mcb mcc mce mcg mci mcm mct meb mec mee meg mei mem met mgb mgc mge mgi mgm mgt mi- mib mic mie mig mii mim mit mmb mmc mme mmg mmi mmm mmt mtb mtc mte mtg mti mtm mtt tbb tbc tbe tbg tbi tbm tbt tcb tcc tce tcg tci tcm tct te- teb tec tee teg tei tem tet tgb tgc tge tgg tgi tgm tgt tib tic tie tig tii tim tit tmb tmc tme tmg tmi tmm tmt ttb ttc tte ttg tti ttm ttt