a-a a-b a-i a-t aaa aab aai aan aas aat aau aay ab- aba abb abi abn abs abt abu aby ai- aia aib aii ain ais ait aiu aiy an- ana anb ani ann ans ant anu any as- asa asb asi asn ass ast asu asy at- ata atb ati atn ats att atu au- aua aub aui aun aus aut ay- aya ayi ayn ays ayt ayu b-u baa bab bai ban bas bat bau bay bba bbb bbi bbn bbs bbt bbu bby bi- bia bib bii bin bis bit biu biy bna bnb bni bnn bns bnt bnu bsa bsb bsi bsn bss bst bsu bsy bta btb bti btn bts btt btu bty bua bub bui bun bus but buu buy by- bya byi byn bys byt byu ia- iaa iab iai ian ias iat iau iba ibb ibi ibn ibs ibt ibu iby iia iib iii iin iis iit iiu in- ina inb ini inn ins int inu iny is- isa isb isi isn iss ist isu isy ita itb iti itn its itt itu ity iu- iua iub iui ius iut iya iys iyt iyy n-i naa nab nai nan nas nat nau nay nba nbb nbi nbn nbs nbt nbu nia nib nii nin nis nit niu nna nnb nni nnn nns nnt nnu nsa nsb nsi nsn nss nst nsu nsy nta ntb nti ntn nts ntt ntu nua nub nui nun nus nut nuu nuy nya nyn nys nyt nyu nyy saa sab sai san sas sat sau say sba sbb sbi sbn sbs sbt sbu sby sia sib sii sin sis sit siu sna snb sni snn sns snt snu sny ss- ssa ssb ssi ssn sss sst ssu sta stb sti stn sts stt stu sty sua sub sui sun sus sut suu suy sy- sya syb syi syn sys syt syu taa tab tai tan tas tat tau tay tba tbb tbi tbn tbs tbt tbu tia tib tii tin tis tit tiu tiy tna tnb tni tnn tns tnt tsa tsb tsi tsn tss tst tsu tsy tta ttb tti ttn tts ttt ttu tty tua tub tui tun tus tut tuu tuy tya tyn tys tyt ua- uaa uab uai uan uas uat uau uay uba ubb ubi ubn ubs ubt ubu uby uia uib uii uin uis uit uiu un- una unb uni unn uns unt unu uny usa usb usi usn uss ust usu uta utb uti utn uts utt utu uty uua uun uus uut uuu uyi uys uyu yaa yab yai yan yas yat yau yay ybi ybs yby yii yin yis yit yna ynn yns ynu yny ysa ysb ysi yss yst ysu ysy yta ytn yts ytt ytu yua yui yun yus yut yuu yuy yyb yys yyt yyu yyy