-er -ic -ol c-- ccc cce ccf cch cci cck ccl cco ccr ce- cec cee cef ceh cei cek cel ceo cer cfc cfe cff cfh cfi cfk cfl cfo cfr ch- chc che chf chh chi chk chl cho chr ci- cic cie cif cih cii cik cil cio cir ckc ckh cki cko cl- clc cle clf clh cli clk cll clo clr co- coc coe cof coh coi cok col coo cor crc cre crf crh cri crk crl cro crr ec- ecc ece ecf ech eci eck ecl eco ecr eec eee eef eek eel eeo eer ef- efc efe eff efh efi efl efo efr ehc ehe ehf ehh ehi ehl eho ehr eic eie eif eii eik eil eio eir ekc eke ekf ekh eki ekl eko ekr elc ele elf elh eli elk ell elo elr eo- eoc eoe eof eoh eoi eok eol eoo eor erc ere erf erh eri erk erl ero err fcc fce fcf fci fck fcl fco fcr fec fee fef feh fei fek fel feo fer ffc ffe fff ffh ffi ffk ffl ffo ffr fhc fhe fhf fhh fhi fhl fho fhr fic fie fif fih fii fik fil fir fkc fkf fki fkk fkl flc fle flf fli fll flo flr foc foe fof foh foi fok fol foo for frc fre frf frh fri frk frl fro frr h-i hcc hce hcf hch hci hck hcl hco hcr he- hec hee hef heh hei hek hel heo her hfc hfe hff hfh hfi hfk hfl hfo hfr hhc hhe hhf hhh hhi hhk hhl hho hhr hic hie hif hih hii hik hil hio hir hkf hkh hki hkk hkl hko hkr hlc hle hlf hlh hli hll hlo hlr hoc hoe hof hoh hoi hok hol hoo hor hr- hrc hre hrf hrh hri hrk hrl hro hrr i-f icc ice icf ich ici ick icl ico icr ie- iec iee ief iei iek iel ier ifc ife iff ifi ifl ifo ifr ihc ihe ihf ihh ihi ihk ihl iho ihr iic iie iif iih iii iil iio iir ikc ike ikf iki ikk ikl iko ikr il- ilc ile ilf ilh ili ilk ill ilo ilr io- ioc ioe iof ioh ioi iol ioo ior ir- irc ire irf iri irk irl iro irr kcc kce kch kci kck kcl kcr ke- kec kee kef keh kei kek kel keo ker kfc kff kfh kfi kfo khe khf khh khi khk kho khr kic kie kif kih kii kik kil kio kir kkc kke kkh kki kkk kkl kkr kl- klc klf klh kli klo klr koc koe kof koh koi kok kol koo kor krc krf kri krk krl kro krr lcc lce lcf lch lci lck lcl lco lcr lec lee lef leh lei lek lel leo ler lfc lfe lff lfh lfi lfk lfl lfo lfr lhc lhf lhh lhi lhk lho lhr lic lie lif lih lii lik lil lio lir lkh lkl lkr llc lle llf lli llk lll llo llr loc loe lof loh loi lok lol loo lor lrc lrf lrh lri lrk lro lrr o-i oc- occ ocf och oci ock ocl oco ocr oec oee oef oeh oei oel oeo oer of- ofc ofe off ofi ofl ofo ofr ohc ohe ohf ohh ohi ohl oho ohr oic oie oif oii oik oil oio oir okc oke oki okk okl oko okr olc ole olf oli olk oll olo oo- ooc oof ooh ooi ook ool ooo oor or- orc ore orf orh ori ork orl oro orr rcc rce rcf rch rci rcl rco rcr re- rec ree ref reh rei rek rel reo rer rfc rfe rff rfh rfi rfk rfl rfo rfr rh- rhc rhe rhf rhh rhi rhl rho rhr ric rie rif rih rii rik ril rio rir rkc rke rkf rkk rko rlc rle rlf rlh rli rll rlo rlr roc roe rof roh roi rok rol roo ror rrc rrf rrh rri rrk rrl rrr