-er -ic -ol c-- ccc cce cch cci ccl cco ccp ccr ccx ce- cec cee ceh cei cel ceo cep cer cex ch- chc che chh chi chl cho chp chr chx ci- cic cie cih cii cil cio cip cir cix cl- clc cle clh cli cll clo clp clr clx co- coc coe coh coi col coo cop cor cox cpc cpe cph cpi cpl cpo cpp cpr cpx crc cre crh cri crl cro crp crr crx cxc cxh cxi cxl cxo cxp cxr cxx ec- ecc ece ech eci ecl eco ecr ecx eec eee eel eeo eep eer eex ehc ehe ehh ehi ehl eho ehp ehr eic eie eii eil eio eip eir eix elc ele elh eli ell elo elp elr elx eo- eoc eoe eoh eoi eol eoo eop eor ep- epc epe eph epi epl epo epp epr epx erc ere erh eri erl ero erp err ex- exc exe exh exi exl exo exp exr exx h-i hcc hce hch hci hcl hco hcp hcr he- hec hee heh hei hel heo hep her hex hhc hhe hhh hhi hhl hho hhp hhr hic hie hih hii hil hio hip hir hix hlc hle hlh hli hll hlo hlp hlr hlx hoc hoe hoh hoi hol hoo hop hor hox hpc hpe hph hpi hpl hpo hpp hpr hr- hrc hre hrh hri hrl hro hrp hrr hxc hxl icc ice ich ici icl ico icp icr ie- iec iee iei iel iep ier iex ihc ihe ihh ihi ihl iho ihp ihr iic iie iih iii iil iio iip iir iix il- ilc ile ilh ili ill ilo ilp ilr ilx io- ioc ioe ioh ioi iol ioo iop ior ipc ipe ipi ipl ipo ipp ipr ipx ir- irc ire iri irl iro irp irr irx ixc ixe ixi ixl l-p lcc lce lch lci lcl lco lcp lcr lcx lec lee leh lei lel leo lep ler lex lhc lhh lhi lho lhp lhr lhx lic lie lih lii lil lio lip lir lix llc lle lli lll llo llp llr loc loe loh loi lol loo lop lor lox lpc lpe lph lpi lpl lpo lpp lpr lpx lrc lrh lri lro lrp lrr lxc lxi lxo lxr lxx o-i oc- occ och oci ocl oco ocp ocr ocx oec oee oeh oei oel oeo oep oer oex ohc ohe ohh ohi ohl oho ohp ohr oic oie oii oil oio oip oir olc ole oli oll olo olp oo- ooc ooh ooi ool ooo oop oor oox op- opc ope oph opi opl opo opp opr opx or- orc ore orh ori orl oro orp orr orx ox- oxc oxi oxo oxx p-p pcc pce pch pci pcl pco pcp pcr pcx pec pee peh pei pel peo pep per pex phc phe phi phl pho php phr phx pic pie pih pii pil pio pip pir pix plc ple plh pli pll plo plp plr plx poc poe poh poi pol poo pop por pox ppc ppe pph ppi ppl ppo ppp ppr ppx prc pre prh pri prl pro prp prr prx pxc pxe pxl pxr rcc rce rch rci rcl rco rcp rcr rcx re- rec ree reh rei rel reo rep rer rex rh- rhc rhe rhh rhi rhl rho rhp rhr ric rie rih rii ril rio rip rir rix rlc rle rlh rli rll rlo rlp rlr roc roe roh roi rol roo rop ror rox rpc rpe rph rpi rpl rpo rpp rpr rpx rrc rrh rri rrl rrp rrr rxp rxr xch xci xcl xcp xcr xcx xee xel xep xer xex xhp xic xie xii xio xix xli xlr xoc xoi xoo xop xor xox xpc xpe xpl xpo xpp xrc xrx xxi xxl xxo xxp xxx