-ic c-- ccc ccd cce ccf cci cck ccl ccs cct cdc cdd cde cdf cdi cdk cdl cds cdt ce- cec ced cee cef cei cek cel ces cet cfc cfd cfe cff cfi cfk cfl cfs cft ci- cic cid cie cif cii cik cil cis cit ckc ckd cki cks ckt cl- clc cld cle clf cli clk cll cls clt csc csd cse csf csi csk csl css cst ctc ctd cte ctf cti ctk ctl cts ctt dcc dcd dce dcf dci dck dcl dcs dct ddc ddd dde ddf ddi ddk ddl dds ddt de- dec ded dee def dei dek del des det dfc dfd dfe dff dfi dfk dfl dfs dft di- dic did die dif dii dik dil dis dit dkc dke dki dkk dkl dks dkt dl- dlc dld dle dlf dli dlk dll dls dlt dsc dsd dse dsf dsi dsk dsl dss dst dtc dtd dte dtf dti dtk dtl dts dtt ec- ecc ecd ece ecf eci eck ecl ecs ect ed- edc edd ede edf edi edk edl eds edt eec eed eee eef eek eel ees eet ef- efc efd efe eff efi efl efs eft eic eid eie eif eii eik eil eis eit ekc ekd eke ekf eki ekl eks ekt elc eld ele elf eli elk ell els elt es- esc esd ese esf esi esk esl ess est etc etd ete etf eti etk etl ets ett fcc fcd fce fcf fci fck fcl fcs fct fdc fdd fde fdf fdi fdk fdl fds fdt fec fed fee fef fei fek fel fes fet ffc ffd ffe fff ffi ffk ffl ffs fft fic fid fie fif fii fik fil fis fit fkc fkf fki fkk fkl fkt flc fld fle flf fli fll fls flt fsc fsd fse fsf fsi fsk fsl fss fst ftc ftd fte ftf fti ftk ftl fts ftt i-d i-f icc icd ice icf ici ick icl ics ict idc idd ide idf idi idk idl ids idt ie- iec ied iee ief iei iek iel ies iet ifc ifd ife iff ifi ifl ifs ift iic iid iie iif iii iil iis iit ikc ike ikf iki ikk ikl iks ikt il- ilc ild ile ilf ili ilk ill ils ilt is- isc isd ise isf isi isk isl iss ist itc itd ite itf iti itk itl its itt k-t kcc kcd kce kci kck kcl kcs kct kdc kde kdf kdk kdl kds kdt ke- kec ked kee kef kei kek kel kes ket kfc kfd kff kfi kfs kic kid kie kif kii kik kil kis kit kkc kke kki kkk kkl kks kkt kl- klc kld klf kli kls klt ksc ksd kse ksf ksi ksk ksl kss kst ktc kte ktf ktk ktl kts ktt lcc lcd lce lcf lci lck lcl lcs lct ldc ldd lde ldf ldi ldk ldl lds ldt lec led lee lef lei lek lel les let lfc lfd lfe lff lfi lfk lfl lfs lft lic lid lie lif lii lik lil lis lit lkl lks lkt llc lld lle llf lli llk lll lls llt lsc lsd lse lsf lsi lsk lsl lss lst ltc ltd lte ltf lti ltk ltl lts ltt scc scd sce scf sci sck scl scs sct sdc sdd sde sdf sdi sdk sdl sds sdt se- sec sed see sef sei sek sel ses set sfc sfd sfe sff sfi sfk sfl sfs sft sic sid sie sif sii sik sil sis sit sk- skc skd ske skf ski skk skl sks skt slc sld sle slf sli slk sll sls slt ss- ssc ssd sse ssf ssi ssk ssl sss sst stc std ste stf sti stk stl sts stt tcc tcd tce tcf tci tck tcl tcs tct tdc tdd tde tdf tdi tdk tdl tds tdt te- tec ted tee tef tei tek tel tes tet tfc tfd tfe tff tfi tfk tfl tfs tft tic tid tie tif tii tik til tis tit tkc tke tkk tkl tks tkt tlc tld tle tlf tli tlk tll tls tlt tsc tsd tse tsf tsi tsk tsl tss tst ttc ttd tte ttf tti ttk ttl tts ttt