-ic bbb bbc bbd bbe bbi bbm bbo bbt bcb bcc bcd bce bci bcm bco bct bdb bdc bdd bde bdi bdm bdo bdt be- beb bec bed bee bei bem beo bet bi- bib bic bid bie bii bim bio bit bmb bmc bmd bme bmi bmm bmo bmt bob boc bod boe boi bom boo bot btb btc btd bte bti btm bto btt c-- cbb cbc cbd cbe cbi cbm cbo cbt ccb ccc ccd cce cci ccm cco cct cdb cdc cdd cde cdi cdm cdo cdt ce- ceb cec ced cee cei cem ceo cet ci- cib cic cid cie cii cim cio cit cmb cmc cmd cme cmi cmm cmo cmt co- cob coc cod coe coi com coo cot ctb ctc ctd cte cti ctm cto ctt dbb dbc dbd dbe dbi dbm dbo dbt dcb dcc dcd dce dci dcm dco dct ddb ddc ddd dde ddi ddm ddo ddt de- deb dec ded dee dei dem deo det di- dib dic did die dii dim dio dit dmb dmc dmd dme dmi dmm dmo dmt dob doc dod doe doi dom doo dot dtb dtc dtd dte dti dtm dto dtt ebb ebc ebd ebe ebi ebm ebo ebt ec- ecb ecc ecd ece eci ecm eco ect ed- edb edc edd ede edi edm edo edt eeb eec eed eee eem eeo eet eib eic eid eie eii eim eio eit em- emb emc emd eme emi emm emo emt eo- eob eoc eod eoe eoi eom eoo eot etb etc etd ete eti etm eto ett i-d ibb ibc ibd ibe ibi ibm ibo ibt icb icc icd ice ici icm ico ict idb idc idd ide idi idm ido idt ie- iec ied iee iei iem iet iib iic iid iie iii iim iio iit im- imb imc imd ime imi imm imo imt io- iob ioc iod ioe ioi iom ioo iot itb itc itd ite iti itm ito itt m-o mbb mbc mbd mbe mbi mbm mbo mbt mc- mcb mcc mcd mce mci mcm mco mct mdb mdc mdd mde mdi mdm mdo mdt meb mec med mee mei mem meo met mi- mib mic mid mie mii mim mio mit mmb mmc mmd mme mmi mmm mmo mmt mob moc mod moe moi mom moo mot mtb mtc mtd mte mti mtm mto mtt o-i ob- obb obc obd obe obi obm obo obt oc- ocb occ ocd oci ocm oco oct odb odc odd ode odi odm odo odt oeb oec oed oee oei oem oeo oet oib oic oid oie oii oim oio oit om- omb omc omd ome omi omm omo omt oo- oob ooc ood ooi oom ooo oot ot- otb otc otd ote oti otm oto ott tbb tbc tbd tbe tbi tbm tbo tbt tcb tcc tcd tce tci tcm tco tct tdb tdc tdd tde tdi tdm tdo tdt te- teb tec ted tee tei tem teo tet tib tic tid tie tii tim tio tit tmb tmc tmd tme tmi tmm tmo tmt to- tob toc tod toe toi tom too tot ttb ttc ttd tte tti ttm tto ttt