-er -ey -ic c-- ccc cce cch cci cco ccp ccr ccx ce- cec cee ceh cei ceo cep cer cex cey ch- chc che chh chi cho chp chr chx chy ci- cic cie cih cii cio cip cir cix co- coc coe coh coi coo cop cor cox coy cpc cpe cph cpi cpo cpp cpr cpx crc cre crh cri cro crp crr crx cry cxc cxh cxi cxo cxp cxr cxx cyc cye cyo cyp cyr ec- ecc ece ech eci eco ecr ecx eec eee eeo eep eer eex eey ehc ehe ehh ehi eho ehp ehr eic eie eii eio eip eir eix eo- eoc eoe eoh eoi eoo eop eor ep- epc epe eph epi epo epp epr epx erc ere erh eri ero erp err ery ex- exc exe exh exi exo exp exr exx exy eyc eye eyo eyp eyr h-i hcc hce hch hci hco hcp hcr hcy he- hec hee heh hei heo hep her hex hey hhc hhe hhh hhi hho hhp hhr hhy hic hie hih hii hio hip hir hix hoc hoe hoh hoi hoo hop hor hox hoy hpc hpe hph hpi hpo hpp hpr hpy hr- hrc hre hrh hri hro hrp hrr hxc hy- hyc hye hyh hyi hyo hyp hyr hyy icc ice ich ici ico icp icr icy ie- iec iee iei iep ier iex iey ihc ihe ihh ihi iho ihp ihr ihy iic iie iih iii iio iip iir iix io- ioc ioe ioh ioi ioo iop ior ipc ipe ipi ipo ipp ipr ipx ipy ir- irc ire iri iro irp irr irx iry ixc ixe ixi ixy iyc iye iyo iyr iyy o-i oc- occ och oci oco ocp ocr ocx oec oee oeh oei oeo oep oer oex oey ohc ohe ohh ohi oho ohp ohr oic oie oii oio oip oir oo- ooc ooh ooi ooo oop oor oox op- opc ope oph opi opo opp opr opx opy or- orc ore orh ori oro orp orr orx ory ox- oxc oxi oxo oxx oxy oye oyi oyo p-p pcc pce pch pci pco pcp pcr pcx pec pee peh pei peo pep per pex pey phc phe phi pho php phr phx phy pic pie pih pii pio pip pir pix poc poe poh poi poo pop por pox poy ppc ppe pph ppi ppo ppp ppr ppx prc pre prh pri pro prp prr prx pry pxc pxe pxr py- pyc pye pyo pyr pyx rcc rce rch rci rco rcp rcr rcx re- rec ree reh rei reo rep rer rex rey rh- rhc rhe rhh rhi rho rhp rhr ric rie rih rii rio rip rir rix riy roc roe roh roi roo rop ror rox roy rpc rpe rph rpi rpo rpp rpr rpx rrc rrh rri rrp rrr rxp rxr ry- ryc rye ryo ryr ryy xch xci xcp xcr xcx xee xep xer xex xhp xic xie xii xio xix xoc xoi xoo xop xor xox xpc xpe xpo xpp xrc xrx xry xxi xxo xxp xxx xxy xyp xyr xyy ycc yce ych yci yco ycp ycy yec yee yeh yei yeo yep yer yex yey yhc yhe yhi yie yih yii yio yip yir yoc yoe yoi yoo yop yor yox yoy ypo yrc yre yro yrp yxe yxy yyc yye yyy