-ic -ol c-- ccc ccf cch cci ccl cco ccs cfc cff cfh cfi cfl cfo cfs ch- chc chf chh chi chl cho chs ci- cic cif cih cii cil cio cis cl- clc clf clh cli cll clo cls co- coc cof coh coi col coo cos csc csf csh csi csl cso css fcc fcf fci fcl fco fcs ffc fff ffh ffi ffl ffo ffs fhc fhf fhh fhi fhl fho fhs fic fif fih fii fil fis flc flf fli fll flo fls foc fof foh foi fol foo fos fsc fsf fsh fsi fsl fso fss h-i hcc hcf hch hci hcl hco hcs hfc hff hfh hfi hfl hfo hfs hhc hhf hhh hhi hhl hho hhs hic hif hih hii hil hio his hlc hlf hlh hli hll hlo hls hoc hof hoh hoi hol hoo hos hsc hsf hsh hsi hsl hss i-f icc icf ich ici icl ico ics ifc iff ifi ifl ifo ifs ihc ihf ihh ihi ihl iho ihs iic iif iih iii iil iio iis il- ilc ilf ilh ili ill ilo ils io- ioc iof ioh ioi iol ioo ios is- isc isf ish isi isl iso iss lcc lcf lch lci lcl lco lcs lfc lff lfh lfi lfl lfo lfs lhc lhf lhh lhi lho lhs lic lif lih lii lil lio lis llc llf lli lll llo lls loc lof loh loi lol loo los lsc lsf lsh lsi lsl lso lss o-i oc- occ ocf och oci ocl oco ocs of- ofc off ofi ofl ofo ofs ohc ohf ohh ohi ohl oho ohs oic oif oii oil oio ois olc olf oli oll olo ols oo- ooc oof ooh ooi ool ooo oos os- osc osf osh osi osl oso oss scc scf sch sci scl sco scs sfc sff sfh sfi sfl sfo sfs sh- shc shf shh shi shl sho shs sic sif sih sii sil sio sis slc slf slh sli sll slo sls soc sof soh soi sol soo sos ss- ssc ssf ssh ssi ssl sso sss