-ic c-- ccc cci cco ccr ccs ccu ccv ci- cic cii cio cir cis ciu civ co- coc coi coo cor cos cou cov crc cri cro crr crs cru crv csc csi cso csr css csu csv cuc cui cuo cur cus cuu cuv cvc cvi cvo cvr cvs cvu cvv i-v icc ici ico icr ics icu icv iic iii iio iir iis iiu io- ioc ioi ioo ior ios iou iov ir- irc iri iro irr irs iru irv is- isc isi iso isr iss isu isv iu- iuc iui iur ius ivc ivi ivo ivr ivs ivu ivv o-i oc- occ oci oco ocr ocs ocu ocv oic oii oio oir ois oiu oiv oo- ooc ooi ooo oor oos oov or- orc ori oro orr ors oru orv os- osc osi oso osr oss osu osv ou- ouc oui ouo our ous ov- ovc ovi ovo ovs ovv rcc rci rco rcr rcs rcu rcv ric rii rio rir ris riv roc roi roo ror ros rou rov rrc rri rrr rrs rru rsc rsi rso rsr rss rsu rsv ruc rui ruo rur rus ruu ruv rvc rvi rvo rvr rvs rvu rvv scc sci sco scr scs scu scv sic sii sio sir sis siu siv soc soi soo sor sos sou sov sr- src sri sro srr srs srv ss- ssc ssi sso ssr sss ssu ssv suc sui suo sur sus suu suv svc svi svo svr svs svu svv ucc uci uco ucr ucs ucu ucv uic uii uio uir uis uiu uoc uoo uor uos ur- urc uri uro urr urs uru usc usi uso usr uss usu usv uuc uur uus uuu uvc uvo uvs uvu uvv vcc vci vco vcr vcs vcu vi- vic vii vio vir vis viu viv voc voi voo vor vos vou vov vrc vri vrr vrs vru vsc vsi vso vsr vss vsu vsv vur vus vuv vvc vvi vvo vvr vvs vvv