-ic c-- ccc ccd cce cci ccl ccs cct cdc cdd cde cdi cdl cds cdt ce- cec ced cee cei cel ces cet ci- cic cid cie cii cil cis cit cl- clc cld cle cli cll cls clt csc csd cse csi csl css cst ctc ctd cte cti ctl cts ctt dcc dcd dce dci dcl dcs dct ddc ddd dde ddi ddl dds ddt de- dec ded dee dei del des det di- dic did die dii dil dis dit dl- dlc dld dle dli dll dls dlt dsc dsd dse dsi dsl dss dst dtc dtd dte dti dtl dts dtt ec- ecc ecd ece eci ecl ecs ect ed- edc edd ede edi edl eds edt eec eed eee eel ees eet eic eid eie eii eil eis eit elc eld ele eli ell els elt es- esc esd ese esi esl ess est etc etd ete eti etl ets ett i-d icc icd ice ici icl ics ict idc idd ide idi idl ids idt ie- iec ied iee iei iel ies iet iic iid iie iii iil iis iit il- ilc ild ile ili ill ils ilt is- isc isd ise isi isl iss ist itc itd ite iti itl its itt lcc lcd lce lci lcl lcs lct ldc ldd lde ldi ldl lds ldt lec led lee lei lel les let lic lid lie lii lil lis lit llc lld lle lli lll lls llt lsc lsd lse lsi lsl lss lst ltc ltd lte lti ltl lts ltt scc scd sce sci scl scs sct sdc sdd sde sdi sdl sds sdt se- sec sed see sei sel ses set sic sid sie sii sil sis sit slc sld sle sli sll sls slt ss- ssc ssd sse ssi ssl sss sst stc std ste sti stl sts stt tcc tcd tce tci tcl tcs tct tdc tdd tde tdi tdl tds tdt te- tec ted tee tei tel tes tet tic tid tie tii til tis tit tlc tld tle tli tll tls tlt tsc tsd tse tsi tsl tss tst ttc ttd tte tti ttl tts ttt