-th a-a a-b a-i a-t aaa aab aad aae aah aai aan aat ab- aba abb abd abe abh abi abn abt ad- ada adb add ade adh adi adn adt aea aeb aed aee aeh aei aen aet aha ahb ahd ahe ahh ahi ahn aht ai- aia aib aid aie aih aii ain ait an- ana anb and ane anh ani ann ant at- ata atb atd ate ath ati atn att baa bab bad bae bah bai ban bat bba bbb bbd bbe bbh bbi bbn bbt bda bdb bdd bde bdh bdi bdt be- bea beb bed bee beh bei ben bet bha bhb bhd bhe bhh bhi bht bi- bia bib bid bie bih bii bin bit bna bnb bnd bne bni bnn bnt bta btb btd bte bth bti btn btt daa dab dad dae dah dai dan dat dba dbb dbd dbe dbh dbi dbn dbt dda ddb ddd dde ddh ddi ddn ddt de- dea deb ded dee deh dei den det dh- dha dhb dhd dhe dhh dhi dht di- dia dib did die dih dii din dit dna dnb dnd dne dnh dni dnn dnt dta dtb dtd dte dth dti dtn dtt eaa eab ead eae eah eai ean eat eba ebb ebd ebe ebh ebi ebn ebt ed- eda edb edd ede edh edi edn edt eea eeb eed eee een eet eha ehb ehd ehe ehh ehi ehn eht eia eib eid eie eii ein eit en- ena enb end ene enh eni enn ent eta etb etd ete eth eti etn ett h-i haa hab had hae hah hai han hat hba hbb hbd hbe hbh hbi hbn hbt hda hdb hdd hde hdh hdi hdn hdt he- hea heb hed hee heh hei hen het hha hhb hhd hhe hhh hhi hhn hht hia hib hid hie hih hii hin hit hna hnb hnd hne hnh hnn hnt hta htb htd hte hth hti htn htt i-d ia- iaa iab iad iae iah iai ian iat iba ibb ibd ibe ibh ibi ibn ibt ida idb idd ide idh idi idn idt ie- iea ied iee iei ien iet iha ihb ihd ihe ihh ihi ihn iht iia iib iid iie iih iii iin iit in- ina inb ind ine inh ini inn int ita itb itd ite ith iti itn itt n-i naa nab nad nae nah nai nan nat nba nbb nbd nbe nbi nbn nbt nda ndb ndd nde ndh ndi ndn ndt ne- nea neb ned nee neh nei nen net nha nhb nhd nhe nhh nhi nhn nht nia nib nid nie nih nii nin nit nna nnb nne nnh nni nnn nnt nta ntb ntd nte nth nti ntn ntt taa tab tad tae tah tai tan tat tba tbb tbd tbe tbh tbi tbn tbt tda tdb tdd tde tdh tdi tdn tdt te- tea teb ted tee teh tei ten tet th- tha thb thd the thh thi thn tht tia tib tid tie tih tii tin tit tna tnb tnd tne tnh tni tnn tnt tta ttb ttd tte tth tti ttn ttt