-er -ic -up c-- ccc cce cch cci cco ccp ccr ccs ccu ccx ce- cec cee ceh cei ceo cep cer ces ceu cex ch- chc che chh chi cho chp chr chs chu chx ci- cic cie cih cii cio cip cir cis ciu cix co- coc coe coh coi coo cop cor cos cou cox cpc cpe cph cpi cpo cpp cpr cps cpu cpx crc cre crh cri cro crp crr crs cru crx csc cse csh csi cso csp csr css csu csx cuc cue cuh cui cuo cup cur cus cuu cxc cxh cxi cxo cxp cxr cxs cxx ec- ecc ece ech eci eco ecr ecs ecu ecx eec eee eeo eep eer ees eex ehc ehe ehh ehi eho ehp ehr ehs ehu eic eie eii eio eip eir eis eiu eix eo- eoc eoe eoh eoi eoo eop eor eos eou ep- epc epe eph epi epo epp epr eps epu epx erc ere erh eri ero erp err ers eru es- esc ese esh esi eso esp esr ess esu esx eu- euc eue eui eup eur eus eux ex- exc exe exh exi exo exp exr exs exu exx h-i hcc hce hch hci hco hcp hcr hcs he- hec hee heh hei heo hep her hes heu hex hhc hhe hhh hhi hho hhp hhr hhs hhu hic hie hih hii hio hip hir his hiu hix hoc hoe hoh hoi hoo hop hor hos hou hox hpc hpe hph hpi hpo hpp hpr hps hpu hr- hrc hre hrh hri hro hrp hrr hrs hru hsc hse hsh hsi hsp hsr hss hsu hsx huc hue huh hui huo hup hur hus huu hux hxc icc ice ich ici ico icp icr ics icu ie- iec iee iei iep ier ies iex ihc ihe ihh ihi iho ihp ihr ihs ihu iic iie iih iii iio iip iir iis iiu iix io- ioc ioe ioh ioi ioo iop ior ios iou ipc ipe ipi ipo ipp ipr ips ipu ipx ir- irc ire iri iro irp irr irs iru irx is- isc ise ish isi iso isp isr iss isu iu- iuc iue iui iup iur ius ixc ixe ixi o-i oc- occ och oci oco ocp ocr ocs ocu ocx oec oee oeh oei oeo oep oer oes oex ohc ohe ohh ohi oho ohp ohr ohs ohu oic oie oii oio oip oir ois oiu oo- ooc ooh ooi ooo oop oor oos oox op- opc ope oph opi opo opp opr ops opx or- orc ore orh ori oro orp orr ors oru orx os- osc ose osh osi oso osp osr oss osu osx ou- ouc oue ouh oui ouo oup our ous ox- oxc oxi oxo oxx p-p pcc pce pch pci pco pcp pcr pcs pcu pcx pec pee peh pei peo pep per pes peu pex phc phe phi pho php phr phs phu phx pic pie pih pii pio pip pir pis piu pix poc poe poh poi poo pop por pos pou pox ppc ppe pph ppi ppo ppp ppr pps ppu ppx prc pre prh pri pro prp prr prs pru prx ps- psc pse psh psi pso psp psr pss psu psx puc pue puh pui pup pur pus puu pxc pxe pxr pxs rcc rce rch rci rco rcp rcr rcs rcu rcx re- rec ree reh rei reo rep rer res reu rex rh- rhc rhe rhh rhi rho rhp rhr rhs rhu ric rie rih rii rio rip rir ris rix roc roe roh roi roo rop ror ros rou rox rpc rpe rph rpi rpo rpp rpr rps rpu rpx rrc rrh rri rrp rrr rrs rru rsc rse rsh rsi rso rsp rsr rss rsu rsx ruc rue ruh rui ruo rup rur rus ruu rux rxp rxr rxs scc sce sch sci sco scp scr scs scu scx se- sec see seh sei seo sep ser ses seu sex sh- shc she shh shi sho shp shr shs shu sic sie sih sii sio sip sir sis siu six soc soe soh soi soo sop sor sos sou sox spc spe sph spi spo spp spr sps spu spx sr- src sre srh sri sro srp srr srs srx ss- ssc sse ssh ssi sso ssp ssr sss ssu ssx suc sue suh sui suo sup sur sus suu sux sxc sxi sxs sxu ucc uce uch uci uco ucp ucr ucs ucu uec uee ueh uei uep uer ues uhc uhe uhh uhi uho uhp uhr uhs uhu uic uie uii uio uip uir uis uiu uoc uoe uoo uop uor uos uox up- upc upe uph upi upo upp upr ups upu upx ur- urc ure uri uro urp urr urs uru urx usc use ush usi uso usp usr uss usu usx uuc uue uur uus uuu uxc uxo uxr uxu xch xci xcp xcr xcx xee xep xer xes xeu xex xhp xic xie xii xio xis xiu xix xoc xoi xoo xop xor xos xox xpc xpe xpo xpp xps xrc xrx xsc xsi xsp xss xue xui xup xus xxi xxo xxp xxx