-er -th a-a a-c a-t aaa aac aad aae aah aao aar aat ac- aca acc acd ace ach aco acr act ad- ada adc add ade adh ado adr adt aea aec aed aee aeh aeo aer aet aha ahc ahd ahe ahh aho ahr aht aoa aoc aod aoe aoh aoo aor aot ar- ara arc ard are arh aro arr art at- ata atc atd ate ath ato atr att c-- caa cac cad cae cah cao car cat cca ccc ccd cce cch cco ccr cct cda cdc cdd cde cdh cdo cdr cdt ce- cea cec ced cee ceh ceo cer cet ch- cha chc chd che chh cho chr cht co- coa coc cod coe coh coo cor cot cra crc crd cre crh cro crr crt cta ctc ctd cte cth cto ctr ctt daa dac dad dae dah dao dar dat dca dcc dcd dce dco dcr dct dda ddc ddd dde ddh ddo ddr ddt de- dea dec ded dee deh deo der det dh- dha dhc dhd dhe dhh dho dhr dht doa doc dod doe doh doo dor dot dra drc drd dre dro drr drt dta dtc dtd dte dth dto dtr dtt eaa eac ead eae eah eao ear eat ec- eca ecc ecd ece ech eco ecr ect ed- eda edc edd ede edh edo edr edt eea eec eed eee eeo eer eet eha ehc ehd ehe ehh eho ehr eht eo- eoa eoc eod eoe eoh eoo eor eot era erc erd ere erh ero err ert eta etc etd ete eth eto etr ett haa hac had hae hah hao har hat hca hcc hcd hce hch hco hcr hct hda hdc hdd hde hdh hdo hdr hdt he- hea hec hed hee heh heo her het hha hhc hhd hhe hhh hho hhr hht hoa hoc hod hoe hoh hoo hor hot hr- hra hrc hrd hre hrh hro hrr hrt hta htc htd hte hth hto htr htt oaa oac oad oae oah oao oar oat oc- oca occ ocd och oco ocr oct oda odc odd ode odh odo odr odt oea oec oed oee oeh oeo oer oet oha ohc ohd ohe ohh oho ohr oht oo- ooa ooc ood ooh ooo oor oot or- ora orc ord ore orh oro orr ort ot- ota otc otd ote oth oto otr ott ra- raa rac rad rae rah rao rar rat rca rcc rcd rce rch rco rcr rct rda rdc rdd rde rdh rdo rdr rdt re- rea rec red ree reh reo rer ret rh- rha rhc rhd rhe rhh rho rhr rht roa roc rod roe roh roo ror rot rra rrc rrd rrh rrr rrt rta rtc rtd rte rto rtr rtt taa tac tad tae tah tao tar tat tca tcc tcd tce tch tco tcr tct tda tdc tdd tde tdh tdo tdr tdt te- tea tec ted tee teh teo ter tet th- tha thc thd the thh tho thr tht to- toa toc tod toe toh too tor tot tra trc trd tre trh tro trr trt tta ttc ttd tte tth tto ttr ttt