c-- ccc ccn cco ccr ccs cct ccu cn- cnc cnn cno cnr cns cnt cnu co- coc con coo cor cos cot cou crc crn cro crr crs crt cru csc csn cso csr css cst csu ctc ctn cto ctr cts ctt ctu cuc cun cuo cur cus cut cuu ncc ncn nco ncr ncs nct ncu nnc nnn nno nns nnt nnu no- noc non noo nor nos not nou nrc nrn nro nrr nrs nrt nru nsc nsn nso nsr nss nst nsu ntc ntn nto ntr nts ntt ntu nuc nun nuo nur nus nut nuu oc- occ ocn oco ocr ocs oct ocu on- onc onn ono onr ons ont onu oo- ooc oon ooo oor oos oot or- orc orn oro orr ors ort oru os- osc osn oso osr oss ost osu ot- otc otn oto otr ots ott otu ou- ouc oun ouo our ous out rcc rcn rco rcr rcs rct rcu rnc rnn rno rnr rns rnt rnu roc ron roo ror ros rot rou rrc rrn rrr rrs rrt rru rsc rsn rso rsr rss rst rsu rtc rtn rto rtr rts rtt rtu ruc run ruo rur rus rut ruu scc scn sco scr scs sct scu snc snn sno snr sns snt snu soc son soo sor sos sot sou sr- src srn sro srr srs srt ss- ssc ssn sso ssr sss sst ssu stc stn sto str sts stt stu suc sun suo sur sus sut suu tcc tcn tco tcr tcs tct tcu tnc tnn tno tnr tns tnt to- toc ton too tor tos tot tou trc trn tro trr trs trt tru tsc tsn tso tsr tss tst tsu ttc ttn tto ttr tts ttt ttu tuc tun tuo tur tus tut tuu ucc ucn uco ucr ucs uct ucu un- unc unn uno unr uns unt unu uoc uon uoo uor uos uot ur- urc urn uro urr urs urt uru usc usn uso usr uss ust usu utc utn uto utr uts utt utu uuc uun uur uus uut uuu