-ic bbb bbc bbe bbg bbi bbm bbo bbs bcb bcc bce bcg bci bcm bco bcs be- beb bec bee beg bei bem beo bes bgb bgc bge bgg bgi bgm bgo bgs bi- bib bic bie big bii bim bio bis bmb bmc bme bmg bmi bmm bmo bms bob boc boe bog boi bom boo bos bsb bsc bse bsg bsi bsm bso bss c-- cbb cbc cbe cbg cbi cbm cbo cbs ccb ccc cce ccg cci ccm cco ccs ce- ceb cec cee ceg cei cem ceo ces cgb cgc cge cgg cgi cgm cgo cgs ci- cib cic cie cig cii cim cio cis cmb cmc cme cmg cmi cmm cmo cms co- cob coc coe cog coi com coo cos csb csc cse csg csi csm cso css ebb ebc ebe ebg ebi ebm ebo ebs ec- ecb ecc ece ecg eci ecm eco ecs eeb eec eee eeg eem eeo ees egb egc ege egg egi egm ego egs eib eic eie eig eii eim eio eis em- emb emc eme emg emi emm emo ems eo- eob eoc eoe eog eoi eom eoo eos es- esb esc ese esg esi esm eso ess gbc gbe gbg gbi gbm gbo gbs gcb gcc gce gcg gci gcm gco gcs ge- geb gec gee geg gei gem geo ges ggb ggc ggg ggi ggm ggo ggs gib gic gie gig gii gim gio gis gmb gmc gme gmg gmi gmm gmo gms gob goc goe gog goi gom goo gos gsb gsc gse gsg gsi gsm gso gss ibb ibc ibe ibg ibi ibm ibo ibs icb icc ice icg ici icm ico ics ie- iec iee ieg iei iem ies igb igc ige igg igi igm igo igs iib iic iie iii iim iio iis im- imb imc ime img imi imm imo ims io- iob ioc ioe iog ioi iom ioo ios is- isb isc ise isg isi ism iso iss m-o mbb mbc mbe mbg mbi mbm mbo mbs mc- mcb mcc mce mcg mci mcm mco mcs meb mec mee meg mei mem meo mes mgb mgc mge mgi mgm mgo mgs mi- mib mic mie mig mii mim mio mis mmb mmc mme mmg mmi mmm mmo mms mob moc moe mog moi mom moo mos msb msc mse msg msi msm mso mss o-i ob- obb obc obe obg obi obm obo obs oc- ocb occ ocg oci ocm oco ocs oeb oec oee oeg oei oem oeo oes ogc oge ogg ogi ogo ogs oib oic oie oii oim oio ois om- omb omc ome omg omi omm omo oms oo- oob ooc oog ooi oom ooo oos os- osb osc ose osg osi osm oso oss sbb sbc sbe sbg sbi sbm sbo sbs scb scc sce scg sci scm sco scs se- seb sec see seg sei sem seo ses sgb sgc sge sgg sgi sgm sgo sgs sib sic sie sig sii sim sio sis smb smc sme smg smi smm smo sms sob soc soe sog soi som soo sos ss- ssb ssc sse ssg ssi ssm sso sss