-th c-- ccc ccd cce cch cck cco ccp ccs cct cdc cdd cde cdh cdk cdo cdp cds cdt ce- cec ced cee ceh cek ceo cep ces cet ch- chc chd che chh chk cho chp chs cht ckc ckd ckh cko cks ckt co- coc cod coe coh cok coo cop cos cot cpc cpd cpe cph cpk cpo cpp cps cpt csc csd cse csh csk cso csp css cst ctc ctd cte cth ctk cto ctp cts ctt dcc dcd dce dck dco dcp dcs dct ddc ddd dde ddh ddk ddo ddp dds ddt de- dec ded dee deh dek deo dep des det dh- dhc dhd dhe dhh dhk dho dhp dhs dht dkc dke dkk dko dkp dks dkt doc dod doe doh dok doo dop dos dot dpc dpd dpe dph dpk dpo dpp dps dpt dsc dsd dse dsh dsk dso dsp dss dst dtc dtd dte dth dtk dto dtp dts dtt ec- ecc ecd ece ech eck eco ecs ect ed- edc edd ede edh edk edo edp eds edt eec eed eee eek eeo eep ees eet ehc ehd ehe ehh eho ehp ehs eht ekc ekd eke ekh eko ekp eks ekt eo- eoc eod eoe eoh eok eoo eop eos eot ep- epc epd epe eph epo epp eps ept es- esc esd ese esh esk eso esp ess est etc etd ete eth etk eto etp ets ett hcc hcd hce hch hck hco hcp hcs hct hdc hdd hde hdh hdk hdo hdp hds hdt he- hec hed hee heh hek heo hep hes het hhc hhd hhe hhh hhk hho hhp hhs hht hkd hkh hkk hko hkp hks hkt hoc hod hoe hoh hok hoo hop hos hot hpc hpd hpe hph hpk hpo hpp hps hpt hsc hsd hse hsh hsk hsp hss hst htc htd hte hth htk hto htp hts htt k-t kcc kcd kce kch kck kcp kcs kct kdc kde kdh kdk kdo kdp kds kdt ke- kec ked kee keh kek keo kep kes ket khe khh khk kho khs kkc kke kkh kkk kkp kks kkt koc kod koe koh kok koo kop kos kot kpc kpd kpe kph kpk kpo kpp kps kpt ksc ksd kse ksh ksk kso ksp kss kst ktc kte kth ktk kto ktp kts ktt oc- occ ocd och ock oco ocp ocs oct odc odd ode odh odo odp ods odt oec oed oee oeh oeo oep oes oet ohc ohd ohe ohh oho ohp ohs oht okc okd oke okk oko okp oks oo- ooc ood ooh ook ooo oop oos oot op- opc opd ope oph opk opo opp ops opt os- osc osd ose osh osk oso osp oss ost ot- otc otd ote oth otk oto otp ots ott p-p pcc pcd pce pch pck pco pcp pcs pct pdc pdd pde pdh pdk pdo pdp pds pdt pec ped pee peh pek peo pep pes pet phc phd phe phk pho php phs pht pkc pkd pke pko pkp pks pkt poc pod poe poh pok poo pop pos pot ppc ppd ppe pph ppk ppo ppp pps ppt ps- psc psd pse psh psk pso psp pss pst pt- ptc ptd pte pth ptk pto ptp pts ptt scc scd sce sch sck sco scp scs sct sdc sdd sde sdh sdk sdo sdp sds sdt se- sec sed see seh sek seo sep ses set sh- shc shd she shh shk sho shp shs sht sk- skc skd ske skh skk sko skp sks skt soc sod soe soh sok soo sop sos sot spc spd spe sph spk spo spp sps spt ss- ssc ssd sse ssh ssk sso ssp sss sst stc std ste sth stk sto stp sts stt tcc tcd tce tch tck tco tcp tcs tct tdc tdd tde tdh tdk tdo tdp tds tdt te- tec ted tee teh tek teo tep tes tet th- thc thd the thh thk tho thp ths tht tkc tke tkk tko tkp tks tkt to- toc tod toe toh tok too top tos tot tpc tpd tpe tph tpk tpo tpp tps tpt tsc tsd tse tsh tsk tso tsp tss tst ttc ttd tte tth ttk tto ttp tts ttt