-ic c-- ccc cci cco ccr ccs cct ccu ci- cic cii cio cir cis cit ciu co- coc coi coo cor cos cot cou crc cri cro crr crs crt cru csc csi cso csr css cst csu ctc cti cto ctr cts ctt ctu cuc cui cuo cur cus cut cuu icc ici ico icr ics ict icu iic iii iio iir iis iit iiu io- ioc ioi ioo ior ios iot iou ir- irc iri iro irr irs irt iru is- isc isi iso isr iss ist isu itc iti ito its itt itu iu- iuc iui iur ius iut o-i oc- occ oci oco ocr ocs oct ocu oic oii oio oir ois oit oiu oo- ooc ooi ooo oor oos oot or- orc ori oro orr ors ort oru os- osc osi oso osr oss ost osu ot- otc oti oto otr ots ott otu ou- ouc oui ouo our ous out rcc rci rco rcr rcs rct rcu ric rii rio rir ris rit roc roi roo ror ros rot rou rrc rri rrr rrs rrt rru rsc rsi rso rsr rss rst rsu rtc rti rto rtr rts rtt rtu ruc rui ruo rur rus rut ruu scc sci sco scr scs sct scu sic sii sio sir sis sit siu soc soi soo sor sos sot sou sr- src sri sro srr srs srt ss- ssc ssi sso ssr sss sst ssu stc sti sto str sts stt stu suc sui suo sur sus sut suu tcc tci tco tcr tcs tct tcu tic tii tio tir tis tit tiu to- toc toi too tor tos tot tou trc tri tro trr trs trt tru tsc tsi tso tsr tss tst tsu ttc tti tto ttr tts ttt ttu tuc tui tuo tur tus tut tuu ucc uci uco ucr ucs uct ucu uic uii uio uir uis uit uiu uoc uoo uor uos uot ur- urc uri uro urr urs urt uru usc usi uso usr uss ust usu utc uti uto utr uts utt utu uuc uur uus uut uuu