-ol -th c-- ccc ccd cch cck ccl cco ccs cct cdc cdd cdh cdk cdl cdo cds cdt ch- chc chd chh chk chl cho chs cht ckc ckd ckh cko cks ckt cl- clc cld clh clk cll clo cls clt co- coc cod coh cok col coo cos cot csc csd csh csk csl cso css cst ctc ctd cth ctk ctl cto cts ctt dcc dcd dck dcl dco dcs dct ddc ddd ddh ddk ddl ddo dds ddt dh- dhc dhd dhh dhk dhl dho dhs dht dkc dkk dkl dko dks dkt dl- dlc dld dlh dlk dll dlo dls dlt doc dod doh dok dol doo dos dot dsc dsd dsh dsk dsl dso dss dst dtc dtd dth dtk dtl dto dts dtt hcc hcd hch hck hcl hco hcs hct hdc hdd hdh hdk hdl hdo hds hdt hhc hhd hhh hhk hhl hho hhs hht hkd hkh hkk hkl hko hks hkt hlc hld hlh hll hlo hls hlt hoc hod hoh hok hol hoo hos hot hsc hsd hsh hsk hsl hss hst htc htd hth htk htl hto hts htt k-t kcc kcd kch kck kcl kcs kct kdc kdh kdk kdl kdo kds kdt khh khk kho khs kkc kkh kkk kkl kks kkt kl- klc kld klh klo kls klt koc kod koh kok kol koo kos kot ksc ksd ksh ksk ksl kso kss kst ktc kth ktk ktl kto kts ktt lcc lcd lch lck lcl lco lcs lct ldc ldd ldh ldk ldl ldo lds ldt lhc lhd lhh lhk lho lhs lht lkh lkl lks lkt llc lld llk lll llo lls llt loc lod loh lok lol loo los lot lsc lsd lsh lsk lsl lso lss lst ltc ltd lth ltk ltl lto lts ltt oc- occ ocd och ock ocl oco ocs oct odc odd odh odl odo ods odt ohc ohd ohh ohl oho ohs oht okc okd okk okl oko oks olc old olk oll olo ols olt oo- ooc ood ooh ook ool ooo oos oot os- osc osd osh osk osl oso oss ost ot- otc otd oth otk otl oto ots ott scc scd sch sck scl sco scs sct sdc sdd sdh sdk sdl sdo sds sdt sh- shc shd shh shk shl sho shs sht sk- skc skd skh skk skl sko sks skt slc sld slh slk sll slo sls slt soc sod soh sok sol soo sos sot ss- ssc ssd ssh ssk ssl sso sss sst stc std sth stk stl sto sts stt tcc tcd tch tck tcl tco tcs tct tdc tdd tdh tdk tdl tdo tds tdt th- thc thd thh thk thl tho ths tht tkc tkk tkl tko tks tkt tlc tld tlh tlk tll tlo tls tlt to- toc tod toh tok tol too tos tot tsc tsd tsh tsk tsl tso tss tst ttc ttd tth ttk ttl tto tts ttt