-ic bbb bbc bbd bbe bbh bbi bbs bcb bcc bcd bce bch bci bcs bdb bdc bdd bde bdh bdi bds be- beb bec bed bee beh bei bes bhb bhc bhd bhe bhh bhi bhs bi- bib bic bid bie bih bii bis bsb bsc bsd bse bsh bsi bss c-- cbb cbc cbd cbe cbh cbi cbs ccb ccc ccd cce cch cci ccs cdb cdc cdd cde cdh cdi cds ce- ceb cec ced cee ceh cei ces ch- chb chc chd che chh chi chs ci- cib cic cid cie cih cii cis csb csc csd cse csh csi css dbb dbc dbd dbe dbh dbi dbs dcb dcc dcd dce dci dcs ddb ddc ddd dde ddh ddi dds de- deb dec ded dee deh dei des dh- dhb dhc dhd dhe dhh dhi dhs di- dib dic did die dih dii dis dsb dsc dsd dse dsh dsi dss ebb ebc ebd ebe ebh ebi ebs ec- ecb ecc ecd ece ech eci ecs ed- edb edc edd ede edh edi eds eeb eec eed eee ees ehb ehc ehd ehe ehh ehi ehs eib eic eid eie eii eis es- esb esc esd ese esh esi ess h-i hbb hbc hbd hbe hbh hbi hbs hcb hcc hcd hce hch hci hcs hdb hdc hdd hde hdh hdi hds he- heb hec hed hee heh hei hes hhb hhc hhd hhe hhh hhi hhs hib hic hid hie hih hii his hsb hsc hsd hse hsh hsi hss i-d ibb ibc ibd ibe ibh ibi ibs icb icc icd ice ich ici ics idb idc idd ide idh idi ids ie- iec ied iee iei ies ihb ihc ihd ihe ihh ihi ihs iib iic iid iie iih iii iis is- isb isc isd ise ish isi iss sbb sbc sbd sbe sbh sbi sbs scb scc scd sce sch sci scs sdb sdc sdd sde sdh sdi sds se- seb sec sed see seh sei ses sh- shb shc shd she shh shi shs sib sic sid sie sih sii sis ss- ssb ssc ssd sse ssh ssi sss