-ic -ol c-- ccc cce ccf cch cci cck ccl cco ce- cec cee cef ceh cei cek cel ceo cfc cfe cff cfh cfi cfk cfl cfo ch- chc che chf chh chi chk chl cho ci- cic cie cif cih cii cik cil cio ckc ckh cki cko cl- clc cle clf clh cli clk cll clo co- coc coe cof coh coi cok col coo ec- ecc ece ecf ech eci eck ecl eco eec eee eef eek eel eeo ef- efc efe eff efh efi efl efo ehc ehe ehf ehh ehi ehl eho eic eie eif eii eik eil eio ekc eke ekf ekh eki ekl eko elc ele elf elh eli elk ell elo eo- eoc eoe eof eoh eoi eok eol eoo fcc fce fcf fci fck fcl fco fec fee fef feh fei fek fel feo ffc ffe fff ffh ffi ffk ffl ffo fhc fhe fhf fhh fhi fhl fho fic fie fif fih fii fik fil fkc fkf fki fkk fkl flc fle flf fli fll flo foc foe fof foh foi fok fol foo h-i hcc hce hcf hch hci hck hcl hco he- hec hee hef heh hei hek hel heo hfc hfe hff hfh hfi hfk hfl hfo hhc hhe hhf hhh hhi hhk hhl hho hic hie hif hih hii hik hil hio hkf hkh hki hkk hkl hko hlc hle hlf hlh hli hll hlo hoc hoe hof hoh hoi hok hol hoo i-f icc ice icf ich ici ick icl ico ie- iec iee ief iei iek iel ifc ife iff ifi ifl ifo ihc ihe ihf ihh ihi ihk ihl iho iic iie iif iih iii iil iio ikc ike ikf iki ikk ikl iko il- ilc ile ilf ilh ili ilk ill ilo io- ioc ioe iof ioh ioi iol ioo kcc kce kch kci kck kcl ke- kec kee kef keh kei kek kel keo kfc kff kfh kfi kfo khe khf khh khi khk kho kic kie kif kih kii kik kil kio kkc kke kkh kki kkk kkl kl- klc klf klh kli klo koc koe kof koh koi kok kol koo lcc lce lcf lch lci lck lcl lco lec lee lef leh lei lek lel leo lfc lfe lff lfh lfi lfk lfl lfo lhc lhf lhh lhi lhk lho lic lie lif lih lii lik lil lio lkh lkl llc lle llf lli llk lll llo loc loe lof loh loi lok lol loo o-i oc- occ ocf och oci ock ocl oco oec oee oef oeh oei oel oeo of- ofc ofe off ofi ofl ofo ohc ohe ohf ohh ohi ohl oho oic oie oif oii oik oil oio okc oke oki okk okl oko olc ole olf oli olk oll olo oo- ooc oof ooh ooi ook ool ooo