-ic c-- ccc cci cco ccp ccs cct ccv ci- cic cii cio cip cis cit civ co- coc coi coo cop cos cot cov cpc cpi cpo cpp cps cpt cpv csc csi cso csp css cst csv ctc cti cto ctp cts ctt ctv cvc cvi cvo cvp cvs cvt cvv i-v icc ici ico icp ics ict icv iic iii iio iip iis iit io- ioc ioi ioo iop ios iot iov ipc ipi ipo ipp ips ipt ipv is- isc isi iso isp iss ist isv itc iti ito itp its itt itv ivc ivi ivo ivp ivs ivt ivv o-i oc- occ oci oco ocp ocs oct ocv oic oii oio oip ois oit oiv oo- ooc ooi ooo oop oos oot oov op- opc opi opo opp ops opt opv os- osc osi oso osp oss ost osv ot- otc oti oto otp ots ott otv ov- ovc ovi ovo ovp ovs ovv p-p pcc pci pco pcp pcs pct pcv pic pii pio pip pis pit piv poc poi poo pop pos pot pov ppc ppi ppo ppp pps ppt ppv ps- psc psi pso psp pss pst psv pt- ptc pti pto ptp pts ptt ptv pvc pvi pvo pvp pvs pvt pvv scc sci sco scp scs sct scv sic sii sio sip sis sit siv soc soi soo sop sos sot sov spc spi spo spp sps spt spv ss- ssc ssi sso ssp sss sst ssv stc sti sto stp sts stt stv svc svi svo svp svs svt svv tcc tci tco tcp tcs tct tcv tic tii tio tip tis tit tiv to- toc toi too top tos tot tov tpc tpi tpo tpp tps tpt tpv tsc tsi tso tsp tss tst tsv ttc tti tto ttp tts ttt ttv tvc tvi tvo tvp tvs tvt vcc vci vco vcp vcs vct vi- vic vii vio vip vis vit viv voc voi voo vop vos vot vov vpc vpi vpo vpp vps vpt vsc vsi vso vsp vss vst vsv vtc vti vto vts vtt vtv vvc vvi vvo vvs vvt vvv