-ic bbb bbc bbd bbe bbh bbi bbk bbl bcb bcc bcd bce bch bci bck bcl bdb bdc bdd bde bdh bdi bdk bdl be- beb bec bed bee beh bei bek bel bhb bhc bhd bhe bhh bhi bhk bhl bi- bib bic bid bie bih bii bik bil bkb bkc bke bkk bkl blb blc bld ble blh bli blk bll c-- cbb cbc cbd cbe cbh cbi cbk cbl ccb ccc ccd cce cch cci cck ccl cdb cdc cdd cde cdh cdi cdk cdl ce- ceb cec ced cee ceh cei cek cel ch- chb chc chd che chh chi chk chl ci- cib cic cid cie cih cii cik cil ckb ckc ckd ckh cki cl- clb clc cld cle clh cli clk cll dbb dbc dbd dbe dbh dbi dbk dbl dcb dcc dcd dce dci dck dcl ddb ddc ddd dde ddh ddi ddk ddl de- deb dec ded dee deh dei dek del dh- dhb dhc dhd dhe dhh dhi dhk dhl di- dib dic did die dih dii dik dil dkb dkc dke dki dkk dkl dl- dlb dlc dld dle dlh dli dlk dll ebb ebc ebd ebe ebh ebi ebk ebl ec- ecb ecc ecd ece ech eci eck ecl ed- edb edc edd ede edh edi edk edl eeb eec eed eee eek eel ehb ehc ehd ehe ehh ehi ehl eib eic eid eie eii eik eil ekb ekc ekd eke ekh eki ekl elb elc eld ele elh eli elk ell h-i hbb hbc hbd hbe hbh hbi hbk hbl hcb hcc hcd hce hch hci hck hcl hdb hdc hdd hde hdh hdi hdk hdl he- heb hec hed hee heh hei hek hel hhb hhc hhd hhe hhh hhi hhk hhl hib hic hid hie hih hii hik hil hkb hkd hkh hki hkk hkl hlb hlc hld hle hlh hli hll i-d ibb ibc ibd ibe ibh ibi ibk ibl icb icc icd ice ich ici ick icl idb idc idd ide idh idi idk idl ie- iec ied iee iei iek iel ihb ihc ihd ihe ihh ihi ihk ihl iib iic iid iie iih iii iil ikb ikc ike iki ikk ikl il- ilb ilc ild ile ilh ili ilk ill kbb kbc kbd kbe kbh kbi kbk kbl kcb kcc kcd kce kch kci kck kcl kdb kdc kde kdh kdk kdl ke- keb kec ked kee keh kei kek kel khe khh khi khk kib kic kid kie kih kii kik kil kkb kkc kke kkh kki kkk kkl kl- klb klc kld klh kli lbb lbc lbd lbe lbh lbi lbk lbl lcb lcc lcd lce lch lci lck lcl ldb ldc ldd lde ldh ldi ldk ldl leb lec led lee leh lei lek lel lhb lhc lhd lhh lhi lhk lib lic lid lie lih lii lik lil lkb lkh lkl llb llc lld lle lli llk lll