-ic c-- ccc cce cci cco ccs cct ccu ccx ce- cec cee cei ceo ces cet ceu cex ci- cic cie cii cio cis cit ciu cix co- coc coe coi coo cos cot cou cox csc cse csi cso css cst csu csx ctc cte cti cto cts ctt ctu ctx cuc cue cui cuo cus cut cuu cxc cxi cxo cxs cxt cxx ec- ecc ece eci eco ecs ect ecu ecx eec eee eeo ees eet eex eic eie eii eio eis eit eiu eix eo- eoc eoe eoi eoo eos eot eou es- esc ese esi eso ess est esu esx etc ete eti eto ets ett etu etx eu- euc eue eui eus eut eux ex- exc exe exi exo exs ext exu exx icc ice ici ico ics ict icu ie- iec iee iei ies iet iex iic iie iii iio iis iit iiu iix io- ioc ioe ioi ioo ios iot iou is- isc ise isi iso iss ist isu itc ite iti ito its itt itu itx iu- iuc iue iui ius iut ixc ixe ixi o-i oc- occ oci oco ocs oct ocu ocx oec oee oei oeo oes oet oex oic oie oii oio ois oit oiu oo- ooc ooi ooo oos oot oox os- osc ose osi oso oss ost osu osx ot- otc ote oti oto ots ott otu ou- ouc oue oui ouo ous out ox- oxc oxi oxo oxt oxx scc sce sci sco scs sct scu scx se- sec see sei seo ses set seu sex sic sie sii sio sis sit siu six soc soe soi soo sos sot sou sox ss- ssc sse ssi sso sss sst ssu ssx stc ste sti sto sts stt stu stx suc sue sui suo sus sut suu sux sxc sxi sxs sxt sxu t-x tcc tce tci tco tcs tct tcu tcx te- tec tee tei teo tes tet teu tex tic tie tii tio tis tit tiu tix to- toc toe toi too tos tot tou tox tsc tse tsi tso tss tst tsu tsx ttc tte tti tto tts ttt ttu ttx tuc tue tui tuo tus tut tuu tux txe txi txs txt txu ucc uce uci uco ucs uct ucu uec uee uei ues uet uic uie uii uio uis uit uiu uoc uoe uoo uos uot uox usc use usi uso uss ust usu usx utc ute uti uto uts utt utu utx uuc uue uus uut uuu uxc uxo uxt uxu xci xcx xee xes xet xeu xex xic xie xii xio xis xit xiu xix xoc xoi xoo xos xot xox xsc xsi xss xst xtc xti xts xtx xue xui xus xxi xxo xxx