-ic c-- ccc ccf cci cck ccn cco ccs cct cfc cff cfi cfk cfn cfo cfs cft ci- cic cif cii cik cin cio cis cit ckc cki cko cks ckt cn- cnc cnf cni cnn cno cns cnt co- coc cof coi cok con coo cos cot csc csf csi csk csn cso css cst ctc ctf cti ctk ctn cto cts ctt fcc fcf fci fck fcn fco fcs fct ffc fff ffi ffk ffn ffo ffs fft fic fif fii fik fin fis fit fkc fkf fki fkk fkt fnc fnf fni fnk fnn fns fnt foc fof foi fok fon foo fos fot fsc fsf fsi fsk fsn fso fss fst ftc ftf fti ftk ftn fto fts ftt i-f icc icf ici ick icn ico ics ict ifc iff ifi ifn ifo ifs ift iic iif iii iin iio iis iit ikc ikf iki ikk iko iks ikt in- inc inf ini ink inn ino ins int io- ioc iof ioi ion ioo ios iot is- isc isf isi isk isn iso iss ist itc itf iti itk itn ito its itt k-t kcc kci kck kcn kcs kct kfc kff kfi kfo kfs kic kif kii kik kin kio kis kit kkc kki kkk kkn kks kkt kn- knc knf kni knk knn kno knt koc kof koi kok kon koo kos kot ksc ksf ksi ksk ksn kso kss kst ktc ktf ktk ktn kto kts ktt n-i ncc ncf nci nck ncn nco ncs nct nfc nff nfi nfk nfn nfo nfs nft nic nif nii nik nin nio nis nit nkc nkf nki nkk nkn nko nks nkt nnc nnf nni nnk nnn nno nns nnt no- noc nof noi nok non noo nos not nsc nsf nsi nsk nsn nso nss nst ntc ntf nti ntk ntn nto nts ntt o-i oc- occ ocf oci ock ocn oco ocs oct of- ofc off ofi ofn ofo ofs oft oic oif oii oik oin oio ois oit okc oki okk oko oks on- onc onf oni onk onn ono ons ont oo- ooc oof ooi ook oon ooo oos oot os- osc osf osi osk osn oso oss ost ot- otc otf oti otk otn oto ots ott scc scf sci sck scn sco scs sct sfc sff sfi sfk sfn sfo sfs sft sic sif sii sik sin sio sis sit sk- skc skf ski skk sko sks skt snc snf sni snk snn sno sns snt soc sof soi sok son soo sos sot ss- ssc ssf ssi ssk ssn sso sss sst stc stf sti stk stn sto sts stt tcc tcf tci tck tcn tco tcs tct tfc tff tfi tfk tfn tfo tfs tft tic tif tii tik tin tio tis tit tkc tkk tko tks tkt tnc tnf tni tnk tnn tno tns tnt to- toc tof toi tok ton too tos tot tsc tsf tsi tsk tsn tso tss tst ttc ttf tti ttk ttn tto tts ttt