-th a-a a-b a-i a-t aaa aab aaf aah aai aas aat ab- aba abb abf abh abi abs abt af- afa afb aff afh afi afs aft aha ahb ahf ahh ahi ahs aht ai- aia aib aif aih aii ais ait as- asa asb asf ash asi ass ast at- ata atb atf ath ati ats att baa bab baf bah bai bas bat bba bbb bbf bbh bbi bbs bbt bfa bfb bff bfh bfi bfs bft bha bhb bhf bhh bhi bhs bht bi- bia bib bif bih bii bis bit bsa bsb bsf bsh bsi bss bst bta btb btf bth bti bts btt faa fab faf fah fai fas fat fba fbb fbf fbh fbi fbs fbt ffa fff ffh ffi ffs fft fha fhb fhf fhh fhi fhs fia fib fif fih fii fis fit fsa fsb fsf fsh fsi fss fst fta ftb ftf fth fti fts ftt h-i haa hab haf hah hai has hat hba hbb hbf hbh hbi hbs hbt hfa hfb hff hfh hfi hfs hft hha hhb hhf hhh hhi hhs hht hia hib hif hih hii his hit hsa hsb hsf hsh hsi hss hst hta htb htf hth hti hts htt i-f ia- iaa iab iaf iah iai ias iat iba ibb ibf ibh ibi ibs ibt ifa ifb iff ifi ifs ift iha ihb ihf ihh ihi ihs iht iia iib iif iih iii iis iit is- isa isb isf ish isi iss ist ita itb itf ith iti its itt saa sab saf sah sai sas sat sba sbb sbf sbh sbi sbs sbt sfa sfb sff sfh sfi sfs sft sh- sha shb shf shh shi shs sht sia sib sif sih sii sis sit ss- ssa ssb ssf ssh ssi sss sst sta stb stf sth sti sts stt taa tab taf tah tai tas tat tba tbb tbf tbh tbi tbs tbt tfa tfb tff tfh tfi tfs tft th- tha thb thf thh thi ths tht tia tib tif tih tii tis tit tsa tsb tsf tsh tsi tss tst tta ttb ttf tth tti tts ttt