-ic c-- ccc ccf cch cci cck ccl ccs cfc cff cfh cfi cfk cfl cfs ch- chc chf chh chi chk chl chs ci- cic cif cih cii cik cil cis ckc ckh cki cks cl- clc clf clh cli clk cll cls csc csf csh csi csk csl css fcc fcf fci fck fcl fcs ffc fff ffh ffi ffk ffl ffs fhc fhf fhh fhi fhl fhs fic fif fih fii fik fil fis fkc fkf fki fkk fkl flc flf fli fll fls fsc fsf fsh fsi fsk fsl fss h-i hcc hcf hch hci hck hcl hcs hfc hff hfh hfi hfk hfl hfs hhc hhf hhh hhi hhk hhl hhs hic hif hih hii hik hil his hkf hkh hki hkk hkl hks hlc hlf hlh hli hll hls hsc hsf hsh hsi hsk hsl hss i-f icc icf ich ici ick icl ics ifc iff ifi ifl ifs ihc ihf ihh ihi ihk ihl ihs iic iif iih iii iil iis ikc ikf iki ikk ikl iks il- ilc ilf ilh ili ilk ill ils is- isc isf ish isi isk isl iss kcc kch kci kck kcl kcs kfc kff kfh kfi kfs khf khh khi khk khs kic kif kih kii kik kil kis kkc kkh kki kkk kkl kks kl- klc klf klh kli kls ksc ksf ksh ksi ksk ksl kss lcc lcf lch lci lck lcl lcs lfc lff lfh lfi lfk lfl lfs lhc lhf lhh lhi lhk lhs lic lif lih lii lik lil lis lkh lkl lks llc llf lli llk lll lls lsc lsf lsh lsi lsk lsl lss scc scf sch sci sck scl scs sfc sff sfh sfi sfk sfl sfs sh- shc shf shh shi shk shl shs sic sif sih sii sik sil sis sk- skc skf skh ski skk skl sks slc slf slh sli slk sll sls ss- ssc ssf ssh ssi ssk ssl sss