-ic -ol c-- ccc cci cck ccl cco ccs cct ci- cic cii cik cil cio cis cit ckc cki cko cks ckt cl- clc cli clk cll clo cls clt co- coc coi cok col coo cos cot csc csi csk csl cso css cst ctc cti ctk ctl cto cts ctt icc ici ick icl ico ics ict iic iii iil iio iis iit ikc iki ikk ikl iko iks ikt il- ilc ili ilk ill ilo ils ilt io- ioc ioi iol ioo ios iot is- isc isi isk isl iso iss ist itc iti itk itl ito its itt k-t kcc kci kck kcl kcs kct kic kii kik kil kio kis kit kkc kki kkk kkl kks kkt kl- klc kli klo kls klt koc koi kok kol koo kos kot ksc ksi ksk ksl kso kss kst ktc ktk ktl kto kts ktt lcc lci lck lcl lco lcs lct lic lii lik lil lio lis lit lkl lks lkt llc lli llk lll llo lls llt loc loi lok lol loo los lot lsc lsi lsk lsl lso lss lst ltc lti ltk ltl lto lts ltt o-i oc- occ oci ock ocl oco ocs oct oic oii oik oil oio ois oit okc oki okk okl oko oks olc oli olk oll olo ols olt oo- ooc ooi ook ool ooo oos oot os- osc osi osk osl oso oss ost ot- otc oti otk otl oto ots ott scc sci sck scl sco scs sct sic sii sik sil sio sis sit sk- skc ski skk skl sko sks skt slc sli slk sll slo sls slt soc soi sok sol soo sos sot ss- ssc ssi ssk ssl sso sss sst stc sti stk stl sto sts stt tcc tci tck tcl tco tcs tct tic tii tik til tio tis tit tkc tkk tkl tko tks tkt tlc tli tlk tll tlo tls tlt to- toc toi tok tol too tos tot tsc tsi tsk tsl tso tss tst ttc tti ttk ttl tto tts ttt