-ic c-- ccc ccd cce cci cck ccl ccs cct cdc cdd cde cdi cdk cdl cds cdt ce- cec ced cee cei cek cel ces cet ci- cic cid cie cii cik cil cis cit ckc ckd cki cks ckt cl- clc cld cle cli clk cll cls clt csc csd cse csi csk csl css cst ctc ctd cte cti ctk ctl cts ctt dcc dcd dce dci dck dcl dcs dct ddc ddd dde ddi ddk ddl dds ddt de- dec ded dee dei dek del des det di- dic did die dii dik dil dis dit dkc dke dki dkk dkl dks dkt dl- dlc dld dle dli dlk dll dls dlt dsc dsd dse dsi dsk dsl dss dst dtc dtd dte dti dtk dtl dts dtt ec- ecc ecd ece eci eck ecl ecs ect ed- edc edd ede edi edk edl eds edt eec eed eee eek eel ees eet eic eid eie eii eik eil eis eit ekc ekd eke eki ekl eks ekt elc eld ele eli elk ell els elt es- esc esd ese esi esk esl ess est etc etd ete eti etk etl ets ett i-d icc icd ice ici ick icl ics ict idc idd ide idi idk idl ids idt ie- iec ied iee iei iek iel ies iet iic iid iie iii iil iis iit ikc ike iki ikk ikl iks ikt il- ilc ild ile ili ilk ill ils ilt is- isc isd ise isi isk isl iss ist itc itd ite iti itk itl its itt k-t kcc kcd kce kci kck kcl kcs kct kdc kde kdk kdl kds kdt ke- kec ked kee kei kek kel kes ket kic kid kie kii kik kil kis kit kkc kke kki kkk kkl kks kkt kl- klc kld kli kls klt ksc ksd kse ksi ksk ksl kss kst ktc kte ktk ktl kts ktt lcc lcd lce lci lck lcl lcs lct ldc ldd lde ldi ldk ldl lds ldt lec led lee lei lek lel les let lic lid lie lii lik lil lis lit lkl lks lkt llc lld lle lli llk lll lls llt lsc lsd lse lsi lsk lsl lss lst ltc ltd lte lti ltk ltl lts ltt scc scd sce sci sck scl scs sct sdc sdd sde sdi sdk sdl sds sdt se- sec sed see sei sek sel ses set sic sid sie sii sik sil sis sit sk- skc skd ske ski skk skl sks skt slc sld sle sli slk sll sls slt ss- ssc ssd sse ssi ssk ssl sss sst stc std ste sti stk stl sts stt tcc tcd tce tci tck tcl tcs tct tdc tdd tde tdi tdk tdl tds tdt te- tec ted tee tei tek tel tes tet tic tid tie tii tik til tis tit tkc tke tkk tkl tks tkt tlc tld tle tli tlk tll tls tlt tsc tsd tse tsi tsk tsl tss tst ttc ttd tte tti ttk ttl tts ttt