-th a-a a-b a-i a-t aaa aab aaf aah aai aan aao aas aat ab- aba abb abf abh abi abn abo abs abt af- afa afb aff afh afi afn afo afs aft aha ahb ahf ahh ahi ahn aho ahs aht ai- aia aib aif aih aii ain aio ais ait an- ana anb anf anh ani ann ano ans ant aoa aob aof aoh aoi aon aoo aos aot as- asa asb asf ash asi asn aso ass ast at- ata atb atf ath ati atn ato ats att baa bab baf bah bai ban bao bas bat bba bbb bbf bbh bbi bbn bbo bbs bbt bfa bfb bff bfh bfi bfn bfo bfs bft bha bhb bhf bhh bhi bho bhs bht bi- bia bib bif bih bii bin bio bis bit bna bnb bnf bni bnn bno bns bnt boa bob bof boh boi bon boo bos bot bsa bsb bsf bsh bsi bsn bso bss bst bta btb btf bth bti btn bto bts btt faa fab faf fah fai fan fao fas fat fba fbb fbf fbh fbi fbn fbo fbs fbt ffa fff ffh ffi ffn ffo ffs fft fha fhb fhf fhh fhi fhn fho fhs fia fib fif fih fii fin fis fit fna fnb fnf fnh fni fnn fns fnt foa fob fof foh foi fon foo fos fot fsa fsb fsf fsh fsi fsn fso fss fst fta ftb ftf fth fti ftn fto fts ftt h-i haa hab haf hah hai han hao has hat hba hbb hbf hbh hbi hbn hbo hbs hbt hfa hfb hff hfh hfi hfn hfo hfs hft hha hhb hhf hhh hhi hhn hho hhs hht hia hib hif hih hii hin hio his hit hna hnb hnf hnh hnn hno hns hnt hoa hob hof hoh hoi hon hoo hos hot hsa hsb hsf hsh hsi hsn hss hst hta htb htf hth hti htn hto hts htt i-f ia- iaa iab iaf iah iai ian iao ias iat iba ibb ibf ibh ibi ibn ibo ibs ibt ifa ifb iff ifi ifn ifo ifs ift iha ihb ihf ihh ihi ihn iho ihs iht iia iib iif iih iii iin iio iis iit in- ina inb inf inh ini inn ino ins int io- ioa iob iof ioh ioi ion ioo ios iot is- isa isb isf ish isi isn iso iss ist ita itb itf ith iti itn ito its itt n-i naa nab naf nah nai nan nao nas nat nba nbb nbf nbi nbn nbo nbs nbt nfa nfb nff nfi nfn nfo nfs nft nha nhb nhf nhh nhi nhn nhs nht nia nib nif nih nii nin nio nis nit nna nnb nnf nnh nni nnn nno nns nnt no- noa nob nof noh noi non noo nos not nsa nsb nsf nsh nsi nsn nso nss nst nta ntb ntf nth nti ntn nto nts ntt o-i oaa oab oaf oah oai oan oao oas oat ob- oba obb obf obh obi obn obo obs obt of- ofa ofb off ofi ofn ofo ofs oft oha ohf ohh ohi ohn oho ohs oht oia oib oif oii oin oio ois oit on- ona onb onf onh oni onn ono ons ont oo- ooa oob oof ooh ooi oon ooo oos oot os- osa osb osf osh osi osn oso oss ost ot- ota otb otf oth oti otn oto ots ott saa sab saf sah sai san sao sas sat sba sbb sbf sbh sbi sbn sbo sbs sbt sfa sfb sff sfh sfi sfn sfo sfs sft sh- sha shb shf shh shi shn sho shs sht sia sib sif sih sii sin sio sis sit sna snb snf sni snn sno sns snt soa sob sof soh soi son soo sos sot ss- ssa ssb ssf ssh ssi ssn sso sss sst sta stb stf sth sti stn sto sts stt taa tab taf tah tai tan tao tas tat tba tbb tbf tbh tbi tbn tbo tbs tbt tfa tfb tff tfh tfi tfn tfo tfs tft th- tha thb thf thh thi thn tho ths tht tia tib tif tih tii tin tio tis tit tna tnb tnf tnh tni tnn tno tns tnt to- toa tob tof toh toi ton too tos tot tsa tsb tsf tsh tsi tsn tso tss tst tta ttb ttf tth tti ttn tto tts ttt