-th a-a a-c a-t aaa aac aad aah aao aar aat ac- aca acc acd ach aco acr act ad- ada adc add adh ado adr adt aha ahc ahd ahh aho ahr aht aoa aoc aod aoh aoo aor aot ar- ara arc ard arh aro arr art at- ata atc atd ath ato atr att c-- caa cac cad cah cao car cat cca ccc ccd cch cco ccr cct cda cdc cdd cdh cdo cdr cdt ch- cha chc chd chh cho chr cht co- coa coc cod coh coo cor cot cra crc crd crh cro crr crt cta ctc ctd cth cto ctr ctt daa dac dad dah dao dar dat dca dcc dcd dco dcr dct dda ddc ddd ddh ddo ddr ddt dh- dha dhc dhd dhh dho dhr dht doa doc dod doh doo dor dot dra drc drd dro drr drt dta dtc dtd dth dto dtr dtt haa hac had hah hao har hat hca hcc hcd hch hco hcr hct hda hdc hdd hdh hdo hdr hdt hha hhc hhd hhh hho hhr hht hoa hoc hod hoh hoo hor hot hr- hra hrc hrd hrh hro hrr hrt hta htc htd hth hto htr htt oaa oac oad oah oao oar oat oc- oca occ ocd och oco ocr oct oda odc odd odh odo odr odt oha ohc ohd ohh oho ohr oht oo- ooa ooc ood ooh ooo oor oot or- ora orc ord orh oro orr ort ot- ota otc otd oth oto otr ott ra- raa rac rad rah rao rar rat rca rcc rcd rch rco rcr rct rda rdc rdd rdh rdo rdr rdt rh- rha rhc rhd rhh rho rhr rht roa roc rod roh roo ror rot rra rrc rrd rrh rrr rrt rta rtc rtd rto rtr rtt taa tac tad tah tao tar tat tca tcc tcd tch tco tcr tct tda tdc tdd tdh tdo tdr tdt th- tha thc thd thh tho thr tht to- toa toc tod toh too tor tot tra trc trd trh tro trr trt tta ttc ttd tth tto ttr ttt