-th a-a a-b a-i a-t aaa aab aad aaf aah aai aat ab- aba abb abd abf abh abi abt ad- ada adb add adf adh adi adt af- afa afb afd aff afh afi aft aha ahb ahd ahf ahh ahi aht ai- aia aib aid aif aih aii ait at- ata atb atd atf ath ati att baa bab bad baf bah bai bat bba bbb bbd bbf bbh bbi bbt bda bdb bdd bdf bdh bdi bdt bfa bfb bfd bff bfh bfi bft bha bhb bhd bhf bhh bhi bht bi- bia bib bid bif bih bii bit bta btb btd btf bth bti btt daa dab dad daf dah dai dat dba dbb dbd dbf dbh dbi dbt dda ddb ddd ddf ddh ddi ddt dfa dfb dfd dff dfh dfi dft dh- dha dhb dhd dhf dhh dhi dht di- dia dib did dif dih dii dit dta dtb dtd dtf dth dti dtt faa fab fad faf fah fai fat fba fbb fbd fbf fbh fbi fbt fda fdb fdd fdf fdh fdi fdt ffa ffd fff ffh ffi fft fha fhb fhf fhh fhi fia fib fid fif fih fii fit fta ftb ftd ftf fth fti ftt h-i haa hab had haf hah hai hat hba hbb hbd hbf hbh hbi hbt hda hdb hdd hdf hdh hdi hdt hfa hfb hfd hff hfh hfi hft hha hhb hhd hhf hhh hhi hht hia hib hid hif hih hii hit hta htb htd htf hth hti htt i-d i-f ia- iaa iab iad iaf iah iai iat iba ibb ibd ibf ibh ibi ibt ida idb idd idf idh idi idt ifa ifb ifd iff ifi ift iha ihb ihd ihf ihh ihi iht iia iib iid iif iih iii iit ita itb itd itf ith iti itt taa tab tad taf tah tai tat tba tbb tbd tbf tbh tbi tbt tda tdb tdd tdf tdh tdi tdt tfa tfb tfd tff tfh tfi tft th- tha thb thd thf thh thi tht tia tib tid tif tih tii tit tta ttb ttd ttf tth tti ttt