-ic -th c-- ccc ccf cch cci cck cco ccs cct cfc cff cfh cfi cfk cfo cfs cft ch- chc chf chh chi chk cho chs cht ci- cic cif cih cii cik cio cis cit ckc ckh cki cko cks ckt co- coc cof coh coi cok coo cos cot csc csf csh csi csk cso css cst ctc ctf cth cti ctk cto cts ctt fcc fcf fci fck fco fcs fct ffc fff ffh ffi ffk ffo ffs fft fhc fhf fhh fhi fho fhs fic fif fih fii fik fis fit fkc fkf fki fkk fkt foc fof foh foi fok foo fos fot fsc fsf fsh fsi fsk fso fss fst ftc ftf fth fti ftk fto fts ftt h-i hcc hcf hch hci hck hco hcs hct hfc hff hfh hfi hfk hfo hfs hft hhc hhf hhh hhi hhk hho hhs hht hic hif hih hii hik hio his hit hkf hkh hki hkk hko hks hkt hoc hof hoh hoi hok hoo hos hot hsc hsf hsh hsi hsk hss hst htc htf hth hti htk hto hts htt i-f icc icf ich ici ick ico ics ict ifc iff ifi ifo ifs ift ihc ihf ihh ihi ihk iho ihs iht iic iif iih iii iio iis iit ikc ikf iki ikk iko iks ikt io- ioc iof ioh ioi ioo ios iot is- isc isf ish isi isk iso iss ist itc itf ith iti itk ito its itt k-t kcc kch kci kck kcs kct kfc kff kfh kfi kfo kfs khf khh khi khk kho khs kic kif kih kii kik kio kis kit kkc kkh kki kkk kks kkt koc kof koh koi kok koo kos kot ksc ksf ksh ksi ksk kso kss kst ktc ktf kth ktk kto kts ktt o-i oc- occ ocf och oci ock oco ocs oct of- ofc off ofi ofo ofs oft ohc ohf ohh ohi oho ohs oht oic oif oii oik oio ois oit okc oki okk oko oks oo- ooc oof ooh ooi ook ooo oos oot os- osc osf osh osi osk oso oss ost ot- otc otf oth oti otk oto ots ott scc scf sch sci sck sco scs sct sfc sff sfh sfi sfk sfo sfs sft sh- shc shf shh shi shk sho shs sht sic sif sih sii sik sio sis sit sk- skc skf skh ski skk sko sks skt soc sof soh soi sok soo sos sot ss- ssc ssf ssh ssi ssk sso sss sst stc stf sth sti stk sto sts stt tcc tcf tch tci tck tco tcs tct tfc tff tfh tfi tfk tfo tfs tft th- thc thf thh thi thk tho ths tht tic tif tih tii tik tio tis tit tkc tkk tko tks tkt to- toc tof toh toi tok too tos tot tsc tsf tsh tsi tsk tso tss tst ttc ttf tth tti ttk tto tts ttt