-er -ic -ol c-- ccc cce cch cci cck ccl cco ccp ccr ce- cec cee ceh cei cek cel ceo cep cer ch- chc che chh chi chk chl cho chp chr ci- cic cie cih cii cik cil cio cip cir ckc ckh cki cko cl- clc cle clh cli clk cll clo clp clr co- coc coe coh coi cok col coo cop cor cpc cpe cph cpi cpk cpl cpo cpp cpr crc cre crh cri crk crl cro crp crr ec- ecc ece ech eci eck ecl eco ecr eec eee eek eel eeo eep eer ehc ehe ehh ehi ehl eho ehp ehr eic eie eii eik eil eio eip eir ekc eke ekh eki ekl eko ekp ekr elc ele elh eli elk ell elo elp elr eo- eoc eoe eoh eoi eok eol eoo eop eor ep- epc epe eph epi epl epo epp epr erc ere erh eri erk erl ero erp err h-i hcc hce hch hci hck hcl hco hcp hcr he- hec hee heh hei hek hel heo hep her hhc hhe hhh hhi hhk hhl hho hhp hhr hic hie hih hii hik hil hio hip hir hkh hki hkk hkl hko hkp hkr hlc hle hlh hli hll hlo hlp hlr hoc hoe hoh hoi hok hol hoo hop hor hpc hpe hph hpi hpk hpl hpo hpp hpr hr- hrc hre hrh hri hrk hrl hro hrp hrr icc ice ich ici ick icl ico icp icr ie- iec iee iei iek iel iep ier ihc ihe ihh ihi ihk ihl iho ihp ihr iic iie iih iii iil iio iip iir ikc ike iki ikk ikl iko ikr il- ilc ile ilh ili ilk ill ilo ilp ilr io- ioc ioe ioh ioi iol ioo iop ior ipc ipe ipi ipl ipo ipp ipr ir- irc ire iri irk irl iro irp irr kcc kce kch kci kck kcl kcp kcr ke- kec kee keh kei kek kel keo kep ker khe khh khi khk kho khr kic kie kih kii kik kil kio kip kir kkc kke kkh kki kkk kkl kkp kkr kl- klc klh kli klo klr koc koe koh koi kok kol koo kop kor kpc kpe kph kpi kpk kpl kpo kpp kpr krc kri krk krl kro krp krr l-p lcc lce lch lci lck lcl lco lcp lcr lec lee leh lei lek lel leo lep ler lhc lhh lhi lhk lho lhp lhr lic lie lih lii lik lil lio lip lir lkh lkl lkp lkr llc lle lli llk lll llo llp llr loc loe loh loi lok lol loo lop lor lpc lpe lph lpi lpk lpl lpo lpp lpr lrc lrh lri lrk lro lrp lrr o-i oc- occ och oci ock ocl oco ocp ocr oec oee oeh oei oel oeo oep oer ohc ohe ohh ohi ohl oho ohp ohr oic oie oii oik oil oio oip oir okc oke oki okk okl oko okp okr olc ole oli olk oll olo olp oo- ooc ooh ooi ook ool ooo oop oor op- opc ope oph opi opk opl opo opp opr or- orc ore orh ori ork orl oro orp orr p-p pcc pce pch pci pck pcl pco pcp pcr pec pee peh pei pek pel peo pep per phc phe phi phk phl pho php phr pic pie pih pii pik pil pio pip pir pkc pke pki pkl pko pkp pkr plc ple plh pli plk pll plo plp plr poc poe poh poi pok pol poo pop por ppc ppe pph ppi ppk ppl ppo ppp ppr prc pre prh pri prk prl pro prp prr rcc rce rch rci rcl rco rcp rcr re- rec ree reh rei rek rel reo rep rer rh- rhc rhe rhh rhi rhl rho rhp rhr ric rie rih rii rik ril rio rip rir rkc rke rkk rko rkp rlc rle rlh rli rll rlo rlp rlr roc roe roh roi rok rol roo rop ror rpc rpe rph rpi rpk rpl rpo rpp rpr rrc rrh rri rrk rrl rrp rrr