c-- ccc ccn cco ccr ccs cct ccu ccx cn- cnc cnn cno cnr cns cnt cnu cnx co- coc con coo cor cos cot cou cox crc crn cro crr crs crt cru crx csc csn cso csr css cst csu csx ctc ctn cto ctr cts ctt ctu ctx cuc cun cuo cur cus cut cuu cxc cxo cxr cxs cxt cxx ncc ncn nco ncr ncs nct ncu ncx nnc nnn nno nns nnt nnu no- noc non noo nor nos not nou nox nrc nrn nro nrr nrs nrt nru nrx nsc nsn nso nsr nss nst nsu nsx ntc ntn nto ntr nts ntt ntu ntx nuc nun nuo nur nus nut nuu nux nxc nxt oc- occ ocn oco ocr ocs oct ocu ocx on- onc onn ono onr ons ont onu onx oo- ooc oon ooo oor oos oot oox or- orc orn oro orr ors ort oru orx os- osc osn oso osr oss ost osu osx ot- otc otn oto otr ots ott otu ou- ouc oun ouo our ous out ox- oxc oxn oxo oxt oxx rcc rcn rco rcr rcs rct rcu rcx rnc rnn rno rnr rns rnt rnu roc ron roo ror ros rot rou rox rrc rrn rrr rrs rrt rru rsc rsn rso rsr rss rst rsu rsx rtc rtn rto rtr rts rtt rtu rtx ruc run ruo rur rus rut ruu rux rxr rxs scc scn sco scr scs sct scu scx snc snn sno snr sns snt snu soc son soo sor sos sot sou sox sr- src srn sro srr srs srt srx ss- ssc ssn sso ssr sss sst ssu ssx stc stn sto str sts stt stu stx suc sun suo sur sus sut suu sux sxc sxn sxs sxt sxu t-x tcc tcn tco tcr tcs tct tcu tcx tnc tnn tno tnr tns tnt tnx to- toc ton too tor tos tot tou tox trc trn tro trr trs trt tru trx tsc tsn tso tsr tss tst tsu tsx ttc ttn tto ttr tts ttt ttu ttx tuc tun tuo tur tus tut tuu tux txn txs txt txu ucc ucn uco ucr ucs uct ucu un- unc unn uno unr uns unt unu unx uoc uon uoo uor uos uot uox ur- urc urn uro urr urs urt uru urx usc usn uso usr uss ust usu usx utc utn uto utr uts utt utu utx uuc uun uur uus uut uuu uxc uxo uxr uxt uxu xcr xcx xnc xno xns xnu xoc xon xoo xor xos xot xox xrc xrt xrx xsc xss xst xtc xtr xts xtx xun xus xxo xxx