-th a-a a-b a-i a-t aaa aab aad aah aai aao aat aau aax ab- aba abb abd abh abi abo abt abu abx ad- ada adb add adh adi ado adt adu adx aha ahb ahd ahh ahi aho aht ahu ahx ai- aia aib aid aih aii aio ait aiu aix aoa aob aod aoh aoi aoo aot aou aox at- ata atb atd ath ati ato att atu atx au- aua aub aud auh aui auo aut aux ax- axa axh axi axo axt axx b-u baa bab bad bah bai bao bat bau bax bba bbb bbd bbh bbi bbo bbt bbu bbx bda bdb bdd bdh bdi bdo bdt bdu bdx bha bhb bhd bhh bhi bho bht bhu bhx bi- bia bib bid bih bii bio bit biu bix boa bob bod boh boi boo bot bou box bta btb btd bth bti bto btt btu btx bua bub bud buh bui buo but buu bux bxb bxd bxi bxo bxx daa dab dad dah dai dao dat dau dax dba dbb dbd dbh dbi dbo dbt dbu dbx dda ddb ddd ddh ddi ddo ddt ddu ddx dh- dha dhb dhd dhh dhi dho dht dhu di- dia dib did dih dii dio dit diu dix doa dob dod doh doi doo dot dou dox dta dtb dtd dth dti dto dtt dtu dtx dua dub dud duh dui duo dut dux dxd dxi dxo dxt dxx h-i haa hab had hah hai hao hat hau hax hba hbb hbd hbh hbi hbo hbt hbu hbx hda hdb hdd hdh hdi hdo hdt hdu hdx hha hhb hhd hhh hhi hho hht hhu hia hib hid hih hii hio hit hiu hix hoa hob hod hoh hoi hoo hot hou hox hta htb htd hth hti hto htt htx hua hub hud huh hui huo hut huu hux hxd i-d ia- iaa iab iad iah iai iao iat iau iba ibb ibd ibh ibi ibo ibt ibu ibx ida idb idd idh idi ido idt idu idx iha ihb ihd ihh ihi iho iht ihu iia iib iid iih iii iio iit iiu iix io- ioa iob iod ioh ioi ioo iot iou ita itb itd ith iti ito itt itu itx iu- iua iub iud iui iut ixi o-i oaa oab oad oah oai oao oat oau oax ob- oba obb obd obh obi obo obt obu obx oda odb odd odh odi odo odt odu oha ohd ohh ohi oho oht ohu oia oib oid oii oio oit oiu oo- ooa oob ood ooh ooi ooo oot oox ot- ota otb otd oth oti oto ott otu ou- oua oud ouh oui ouo out ox- oxa oxb oxi oxo oxt oxx t-x taa tab tad tah tai tao tat tau tax tba tbb tbd tbh tbi tbo tbt tbu tda tdb tdd tdh tdi tdo tdt tdu tdx th- tha thb thd thh thi tho tht thu thx tia tib tid tih tii tio tit tiu tix to- toa tob tod toh toi too tot tou tox tta ttb ttd tth tti tto ttt ttu ttx tua tub tud tuh tui tuo tut tuu tux txi txt txu ua- uaa uab uad uah uai uao uat uau uba ubb ubh ubi ubo ubt ubu ubx uda udb udd udi udo udt udu udx uha uhb uhd uhh uhi uho uht uhu uia uib uid uii uio uit uiu uoa uob uod uoo uot uox uta utb utd uth uti uto utt utu utx uua uut uuu uxb uxo uxt uxu xaa xad xat xau xbx xda xdb xdh xdi xdt xhd xht xia xii xio xit xiu xix xoa xod xoi xoo xot xox xti xtx xui xxi xxo xxx