-er -th a-a a-c a-t aaa aac aad aae aah aak aar aas aat ac- aca acc acd ace ach ack acr acs act ad- ada adc add ade adh adk adr ads adt aea aec aed aee aeh aek aer aes aet aha ahc ahd ahe ahh ahk ahr ahs aht aka akc akd ake akh akk akr aks ar- ara arc ard are arh ark arr ars art as- asa asc asd ase ash ask asr ass ast at- ata atc atd ate ath atr ats att c-- caa cac cad cae cah cak car cas cat cca ccc ccd cce cch cck ccr ccs cct cda cdc cdd cde cdh cdk cdr cds cdt ce- cea cec ced cee ceh cek cer ces cet ch- cha chc chd che chh chk chr chs cht cka ckc ckd ckh cks ckt cra crc crd cre crh crk crr crs crt csa csc csd cse csh csk csr css cst cta ctc ctd cte cth ctk ctr cts ctt daa dac dad dae dah dak dar das dat dca dcc dcd dce dck dcr dcs dct dda ddc ddd dde ddh ddk ddr dds ddt de- dea dec ded dee deh dek der des det dh- dha dhc dhd dhe dhh dhk dhr dhs dht dka dkc dke dkk dkr dks dkt dra drc drd dre drk drr drs drt dsa dsc dsd dse dsh dsk dsr dss dst dta dtc dtd dte dth dtk dtr dts dtt eaa eac ead eae eah eak ear eas eat ec- eca ecc ecd ece ech eck ecr ecs ect ed- eda edc edd ede edh edk edr eds edt eea eec eed eee eek eer ees eet eha ehc ehd ehe ehh ehr ehs eht eka ekc ekd eke ekh ekr eks ekt era erc erd ere erh erk err ers ert es- esa esc esd ese esh esk esr ess est eta etc etd ete eth etk etr ets ett haa hac had hae hah hak har has hat hca hcc hcd hce hch hck hcr hcs hct hda hdc hdd hde hdh hdk hdr hds hdt he- hea hec hed hee heh hek her hes het hha hhc hhd hhe hhh hhk hhr hhs hht hka hkd hkh hkk hkr hks hkt hr- hra hrc hrd hre hrh hrk hrr hrs hrt hsa hsc hsd hse hsh hsk hsr hss hst hta htc htd hte hth htk htr hts htt k-t ka- kaa kac kad kae kah kak kar kas kat kca kcc kcd kce kch kck kcr kcs kct kda kdc kde kdh kdk kdr kds kdt ke- kea kec ked kee keh kek ker kes ket kha khe khh khk khr khs kkc kke kkh kkk kkr kks kkt kra krc krd krk krr krs krt ksa ksc ksd kse ksh ksk ksr kss kst kta ktc kte kth ktk ktr kts ktt ra- raa rac rad rae rah rak rar ras rat rca rcc rcd rce rch rcr rcs rct rda rdc rdd rde rdh rdr rds rdt re- rea rec red ree reh rek rer res ret rh- rha rhc rhd rhe rhh rhr rhs rht rkc rke rkk rks rkt rra rrc rrd rrh rrk rrr rrs rrt rsa rsc rsd rse rsh rsk rsr rss rst rta rtc rtd rte rtk rtr rts rtt saa sac sad sae sah sak sar sas sat sca scc scd sce sch sck scr scs sct sda sdc sdd sde sdh sdk sdr sds sdt se- sea sec sed see seh sek ser ses set sh- sha shc shd she shh shk shr shs sht sk- ska skc skd ske skh skk skr sks skt sr- sra src srd sre srh srk srr srs srt ss- ssa ssc ssd sse ssh ssk ssr sss sst sta stc std ste sth stk str sts stt taa tac tad tae tah tak tar tas tat tca tcc tcd tce tch tck tcr tcs tct tda tdc tdd tde tdh tdk tdr tds tdt te- tea tec ted tee teh tek ter tes tet th- tha thc thd the thh thk thr ths tht tka tkc tke tkk tkr tks tkt tra trc trd tre trh trk trr trs trt tsa tsc tsd tse tsh tsk tsr tss tst tta ttc ttd tte tth ttk ttr tts ttt