-ic c-- ccc ccd cce cch cci cck ccs ccx cdc cdd cde cdh cdi cdk cds cdx ce- cec ced cee ceh cei cek ces cex ch- chc chd che chh chi chk chs chx ci- cic cid cie cih cii cik cis cix ckc ckd ckh cki cks ckx csc csd cse csh csi csk css csx cxc cxh cxi cxk cxs cxx dcc dcd dce dci dck dcs dcx ddc ddd dde ddh ddi ddk dds ddx de- dec ded dee deh dei dek des dex dh- dhc dhd dhe dhh dhi dhk dhs di- dic did die dih dii dik dis dix dkc dke dki dkk dks dkx dsc dsd dse dsh dsi dsk dss dsx dxc dxd dxi dxs dxx ec- ecc ecd ece ech eci eck ecs ecx ed- edc edd ede edh edi edk eds edx eec eed eee eek ees eex ehc ehd ehe ehh ehi ehs eic eid eie eii eik eis eix ekc ekd eke ekh eki eks es- esc esd ese esh esi esk ess esx ex- exc exd exe exh exi exs exx h-i hcc hcd hce hch hci hck hcs hdc hdd hde hdh hdi hdk hds hdx he- hec hed hee heh hei hek hes hex hhc hhd hhe hhh hhi hhk hhs hic hid hie hih hii hik his hix hkd hkh hki hkk hks hsc hsd hse hsh hsi hsk hss hsx hxc hxd i-d icc icd ice ich ici ick ics idc idd ide idh idi idk ids idx ie- iec ied iee iei iek ies iex ihc ihd ihe ihh ihi ihk ihs iic iid iie iih iii iis iix ikc ike iki ikk iks ikx is- isc isd ise ish isi isk iss ixc ixe ixi kcc kcd kce kch kci kck kcs kcx kdc kde kdh kdk kds kdx ke- kec ked kee keh kei kek kes kex khe khh khi khk khs kic kid kie kih kii kik kis kix kkc kke kkh kki kkk kks ksc ksd kse ksh ksi ksk kss scc scd sce sch sci sck scs scx sdc sdd sde sdh sdi sdk sds se- sec sed see seh sei sek ses sex sh- shc shd she shh shi shk shs sic sid sie sih sii sik sis six sk- skc skd ske skh ski skk sks skx ss- ssc ssd sse ssh ssi ssk sss ssx sxc sxi sxs xcd xch xci xcx xdc xde xdh xdi xdk xds xed xee xes xex xhd xic xie xii xis xix xke xks xsc xsi xss xxi xxx