-th a-a a-c a-t aaa aac aae aaf aah aao aat ac- aca acc ace acf ach aco act aea aec aee aef aeh aeo aet af- afa afc afe aff afh afo aft aha ahc ahe ahf ahh aho aht aoa aoc aoe aof aoh aoo aot at- ata atc ate atf ath ato att c-- caa cac cae caf cah cao cat cca ccc cce ccf cch cco cct ce- cea cec cee cef ceh ceo cet cfa cfc cfe cff cfh cfo cft ch- cha chc che chf chh cho cht co- coa coc coe cof coh coo cot cta ctc cte ctf cth cto ctt eaa eac eae eaf eah eao eat ec- eca ecc ece ecf ech eco ect eea eec eee eef eeo eet ef- efa efc efe eff efh efo eft eha ehc ehe ehf ehh eho eht eo- eoa eoc eoe eof eoh eoo eot eta etc ete etf eth eto ett faa fac fae faf fah fao fat fca fcc fce fcf fco fct fea fec fee fef feh feo fet ffa ffc ffe fff ffh ffo fft fha fhc fhe fhf fhh fho foa foc foe fof foh foo fot fta ftc fte ftf fth fto ftt haa hac hae haf hah hao hat hca hcc hce hcf hch hco hct he- hea hec hee hef heh heo het hfa hfc hfe hff hfh hfo hft hha hhc hhe hhf hhh hho hht hoa hoc hoe hof hoh hoo hot hta htc hte htf hth hto htt oaa oac oae oaf oah oao oat oc- oca occ ocf och oco oct oea oec oee oef oeh oeo oet of- ofa ofc ofe off ofo oft oha ohc ohe ohf ohh oho oht oo- ooa ooc oof ooh ooo oot ot- ota otc ote otf oth oto ott taa tac tae taf tah tao tat tca tcc tce tcf tch tco tct te- tea tec tee tef teh teo tet tfa tfc tfe tff tfh tfo tft th- tha thc the thf thh tho tht to- toa toc toe tof toh too tot tta ttc tte ttf tth tto ttt