-th a-a a-b a-i a-t aaa aab aad aah aai aao aat ab- aba abb abd abh abi abo abt ad- ada adb add adh adi ado adt aha ahb ahd ahh ahi aho aht ai- aia aib aid aih aii aio ait aoa aob aod aoh aoi aoo aot at- ata atb atd ath ati ato att baa bab bad bah bai bao bat bba bbb bbd bbh bbi bbo bbt bda bdb bdd bdh bdi bdo bdt bha bhb bhd bhh bhi bho bht bi- bia bib bid bih bii bio bit boa bob bod boh boi boo bot bta btb btd bth bti bto btt daa dab dad dah dai dao dat dba dbb dbd dbh dbi dbo dbt dda ddb ddd ddh ddi ddo ddt dh- dha dhb dhd dhh dhi dho dht di- dia dib did dih dii dio dit doa dob dod doh doi doo dot dta dtb dtd dth dti dto dtt h-i haa hab had hah hai hao hat hba hbb hbd hbh hbi hbo hbt hda hdb hdd hdh hdi hdo hdt hha hhb hhd hhh hhi hho hht hia hib hid hih hii hio hit hoa hob hod hoh hoi hoo hot hta htb htd hth hti hto htt i-d ia- iaa iab iad iah iai iao iat iba ibb ibd ibh ibi ibo ibt ida idb idd idh idi ido idt iha ihb ihd ihh ihi iho iht iia iib iid iih iii iio iit io- ioa iob iod ioh ioi ioo iot ita itb itd ith iti ito itt o-i oaa oab oad oah oai oao oat ob- oba obb obd obh obi obo obt oda odb odd odh odi odo odt oha ohd ohh ohi oho oht oia oib oid oii oio oit oo- ooa oob ood ooh ooi ooo oot ot- ota otb otd oth oti oto ott taa tab tad tah tai tao tat tba tbb tbd tbh tbi tbo tbt tda tdb tdd tdh tdi tdo tdt th- tha thb thd thh thi tho tht tia tib tid tih tii tio tit to- toa tob tod toh toi too tot tta ttb ttd tth tti tto ttt