-th a-a a-b a-i a-t aaa aab aad aah aai aan aat ab- aba abb abd abh abi abn abt ad- ada adb add adh adi adn adt aha ahb ahd ahh ahi ahn aht ai- aia aib aid aih aii ain ait an- ana anb and anh ani ann ant at- ata atb atd ath ati atn att baa bab bad bah bai ban bat bba bbb bbd bbh bbi bbn bbt bda bdb bdd bdh bdi bdt bha bhb bhd bhh bhi bht bi- bia bib bid bih bii bin bit bna bnb bnd bni bnn bnt bta btb btd bth bti btn btt daa dab dad dah dai dan dat dba dbb dbd dbh dbi dbn dbt dda ddb ddd ddh ddi ddn ddt dh- dha dhb dhd dhh dhi dht di- dia dib did dih dii din dit dna dnb dnd dnh dni dnn dnt dta dtb dtd dth dti dtn dtt h-i haa hab had hah hai han hat hba hbb hbd hbh hbi hbn hbt hda hdb hdd hdh hdi hdn hdt hha hhb hhd hhh hhi hhn hht hia hib hid hih hii hin hit hna hnb hnd hnh hnn hnt hta htb htd hth hti htn htt i-d ia- iaa iab iad iah iai ian iat iba ibb ibd ibh ibi ibn ibt ida idb idd idh idi idn idt iha ihb ihd ihh ihi ihn iht iia iib iid iih iii iin iit in- ina inb ind inh ini inn int ita itb itd ith iti itn itt n-i naa nab nad nah nai nan nat nba nbb nbd nbi nbn nbt nda ndb ndd ndh ndi ndn ndt nha nhb nhd nhh nhi nhn nht nia nib nid nih nii nin nit nna nnb nnh nni nnn nnt nta ntb ntd nth nti ntn ntt taa tab tad tah tai tan tat tba tbb tbd tbh tbi tbn tbt tda tdb tdd tdh tdi tdn tdt th- tha thb thd thh thi thn tht tia tib tid tih tii tin tit tna tnb tnd tnh tni tnn tnt tta ttb ttd tth tti ttn ttt