-ic c-- ccc cci cck cco ccr ccs cct ccv ci- cic cii cik cio cir cis cit civ ckc cki cko cks ckt co- coc coi cok coo cor cos cot cov crc cri crk cro crr crs crt crv csc csi csk cso csr css cst csv ctc cti ctk cto ctr cts ctt ctv cvc cvi cvk cvo cvr cvs cvt cvv i-v icc ici ick ico icr ics ict icv iic iii iio iir iis iit ikc iki ikk iko ikr iks ikt ikv io- ioc ioi ioo ior ios iot iov ir- irc iri irk iro irr irs irt irv is- isc isi isk iso isr iss ist isv itc iti itk ito its itt itv ivc ivi ivo ivr ivs ivt ivv k-t kcc kci kck kcr kcs kct kic kii kik kio kir kis kit kiv kkc kki kkk kkr kks kkt kkv koc koi kok koo kor kos kot krc kri krk kro krr krs krt krv ksc ksi ksk kso ksr kss kst ksv ktc ktk kto ktr kts ktt ktv kvi kvk kvo kvr kvs kvv o-i oc- occ oci ock oco ocr ocs oct ocv oic oii oik oio oir ois oit oiv okc oki okk oko okr oks oo- ooc ooi ook ooo oor oos oot oov or- orc ori ork oro orr ors ort orv os- osc osi osk oso osr oss ost osv ot- otc oti otk oto otr ots ott otv ov- ovc ovi ovo ovs ovv rcc rci rco rcr rcs rct rcv ric rii rik rio rir ris rit riv rkc rkk rko rks rkt rkv roc roi rok roo ror ros rot rov rrc rri rrk rrr rrs rrt rsc rsi rsk rso rsr rss rst rsv rtc rti rtk rto rtr rts rtt rtv rvc rvi rvo rvr rvs rvt rvv scc sci sck sco scr scs sct scv sic sii sik sio sir sis sit siv sk- skc ski skk sko skr sks skt soc soi sok soo sor sos sot sov sr- src sri srk sro srr srs srt srv ss- ssc ssi ssk sso ssr sss sst ssv stc sti stk sto str sts stt stv svc svi svk svo svr svs svt svv tcc tci tck tco tcr tcs tct tcv tic tii tik tio tir tis tit tiv tkc tkk tko tkr tks tkt to- toc toi tok too tor tos tot tov trc tri trk tro trr trs trt trv tsc tsi tsk tso tsr tss tst tsv ttc tti ttk tto ttr tts ttt ttv tvc tvi tvk tvo tvr tvs tvt vcc vci vco vcr vcs vct vi- vic vii vik vio vir vis vit viv vkt voc voi vok voo vor vos vot vov vrc vri vrk vrr vrs vrt vsc vsi vsk vso vsr vss vst vsv vtc vti vtk vto vtr vts vtt vtv vvc vvi vvo vvr vvs vvt vvv