-ic -up c-- ccc ccd cce cci ccp ccs ccu ccx cdc cdd cde cdi cdp cds cdu cdx ce- cec ced cee cei cep ces ceu cex ci- cic cid cie cii cip cis ciu cix cpc cpd cpe cpi cpp cps cpu cpx csc csd cse csi csp css csu csx cuc cud cue cui cup cus cuu cxc cxi cxp cxs cxx dcc dcd dce dci dcp dcs dcu dcx ddc ddd dde ddi ddp dds ddu ddx de- dec ded dee dei dep des deu dex di- dic did die dii dip dis diu dix dpc dpd dpe dpi dpp dps dpu dsc dsd dse dsi dsp dss dsu dsx duc dud due dui dup dus dux dxc dxd dxi dxp dxs dxx ec- ecc ecd ece eci ecs ecu ecx ed- edc edd ede edi edp eds edu edx eec eed eee eep ees eex eic eid eie eii eip eis eiu eix ep- epc epd epe epi epp eps epu epx es- esc esd ese esi esp ess esu esx eu- euc eud eue eui eup eus eux ex- exc exd exe exi exp exs exu exx i-d icc icd ice ici icp ics icu idc idd ide idi idp ids idu idx ie- iec ied iee iei iep ies iex iic iid iie iii iip iis iiu iix ipc ipd ipe ipi ipp ips ipu ipx is- isc isd ise isi isp iss isu iu- iuc iud iue iui iup ius ixc ixe ixi p-p pcc pcd pce pci pcp pcs pcu pcx pdc pdd pde pdi pdp pds pdu pdx pec ped pee pei pep pes peu pex pic pid pie pii pip pis piu pix ppc ppd ppe ppi ppp pps ppu ppx ps- psc psd pse psi psp pss psu psx puc pud pue pui pup pus puu pxc pxe pxs scc scd sce sci scp scs scu scx sdc sdd sde sdi sdp sds sdu se- sec sed see sei sep ses seu sex sic sid sie sii sip sis siu six spc spd spe spi spp sps spu spx ss- ssc ssd sse ssi ssp sss ssu ssx suc sud sue sui sup sus suu sux sxc sxi sxs sxu ucc ucd uce uci ucp ucs ucu udc udd ude udi udp uds udu udx uec ued uee uei uep ues uic uid uie uii uip uis uiu up- upc upd upe upi upp ups upu upx usc usd use usi usp uss usu usx uuc uue uus uuu uxc uxu xcd xci xcp xcx xdc xde xdi xds xed xee xep xes xeu xex xic xie xii xis xiu xix xpc xpd xpe xpp xps xsc xsi xsp xss xue xui xup xus xxi xxp xxx