-er -ic -th c-- ccc ccd cce cch cci cck ccr ccs cct cdc cdd cde cdh cdi cdk cdr cds cdt ce- cec ced cee ceh cei cek cer ces cet ch- chc chd che chh chi chk chr chs cht ci- cic cid cie cih cii cik cir cis cit ckc ckd ckh cki cks ckt crc crd cre crh cri crk crr crs crt csc csd cse csh csi csk csr css cst ctc ctd cte cth cti ctk ctr cts ctt dcc dcd dce dci dck dcr dcs dct ddc ddd dde ddh ddi ddk ddr dds ddt de- dec ded dee deh dei dek der des det dh- dhc dhd dhe dhh dhi dhk dhr dhs dht di- dic did die dih dii dik dir dis dit dkc dke dki dkk dkr dks dkt drc drd dre dri drk drr drs drt dsc dsd dse dsh dsi dsk dsr dss dst dtc dtd dte dth dti dtk dtr dts dtt ec- ecc ecd ece ech eci eck ecr ecs ect ed- edc edd ede edh edi edk edr eds edt eec eed eee eek eer ees eet ehc ehd ehe ehh ehi ehr ehs eht eic eid eie eii eik eir eis eit ekc ekd eke ekh eki ekr eks ekt erc erd ere erh eri erk err ers ert es- esc esd ese esh esi esk esr ess est etc etd ete eth eti etk etr ets ett h-i hcc hcd hce hch hci hck hcr hcs hct hdc hdd hde hdh hdi hdk hdr hds hdt he- hec hed hee heh hei hek her hes het hhc hhd hhe hhh hhi hhk hhr hhs hht hic hid hie hih hii hik hir his hit hkd hkh hki hkk hkr hks hkt hr- hrc hrd hre hrh hri hrk hrr hrs hrt hsc hsd hse hsh hsi hsk hsr hss hst htc htd hte hth hti htk htr hts htt i-d icc icd ice ich ici ick icr ics ict idc idd ide idh idi idk idr ids idt ie- iec ied iee iei iek ier ies iet ihc ihd ihe ihh ihi ihk ihr ihs iht iic iid iie iih iii iir iis iit ikc ike iki ikk ikr iks ikt ir- irc ird ire iri irk irr irs irt is- isc isd ise ish isi isk isr iss ist itc itd ite ith iti itk its itt k-t kcc kcd kce kch kci kck kcr kcs kct kdc kde kdh kdk kdr kds kdt ke- kec ked kee keh kei kek ker kes ket khe khh khi khk khr khs kic kid kie kih kii kik kir kis kit kkc kke kkh kki kkk kkr kks kkt krc krd kri krk krr krs krt ksc ksd kse ksh ksi ksk ksr kss kst ktc kte kth ktk ktr kts ktt rcc rcd rce rch rci rcr rcs rct rdc rdd rde rdh rdi rdr rds rdt re- rec red ree reh rei rek rer res ret rh- rhc rhd rhe rhh rhi rhr rhs rht ric rid rie rih rii rik rir ris rit rkc rke rkk rks rkt rrc rrd rrh rri rrk rrr rrs rrt rsc rsd rse rsh rsi rsk rsr rss rst rtc rtd rte rti rtk rtr rts rtt scc scd sce sch sci sck scr scs sct sdc sdd sde sdh sdi sdk sdr sds sdt se- sec sed see seh sei sek ser ses set sh- shc shd she shh shi shk shr shs sht sic sid sie sih sii sik sir sis sit sk- skc skd ske skh ski skk skr sks skt sr- src srd sre srh sri srk srr srs srt ss- ssc ssd sse ssh ssi ssk ssr sss sst stc std ste sth sti stk str sts stt tcc tcd tce tch tci tck tcr tcs tct tdc tdd tde tdh tdi tdk tdr tds tdt te- tec ted tee teh tei tek ter tes tet th- thc thd the thh thi thk thr ths tht tic tid tie tih tii tik tir tis tit tkc tke tkk tkr tks tkt trc trd tre trh tri trk trr trs trt tsc tsd tse tsh tsi tsk tsr tss tst ttc ttd tte tth tti ttk ttr tts ttt