a-a a-b a-i a-t aaa aab aai aan aar aat aau aay ab- aba abb abi abn abr abt abu aby ai- aia aib aii ain air ait aiu aiy an- ana anb ani ann anr ant anu any ar- ara arb ari arn arr art aru ary at- ata atb ati atn atr att atu au- aua aub aui aun aur aut ay- aya ayi ayn ayr ayt ayu b-u baa bab bai ban bar bat bau bay bba bbb bbi bbn bbr bbt bbu bby bi- bia bib bii bin bir bit biu biy bna bnb bni bnn bnr bnt bnu bra brb bri brn brr brt bru bry bta btb bti btn btr btt btu bty bua bub bui bun bur but buu buy by- bya byi byn byr byt byu ia- iaa iab iai ian iar iat iau iba ibb ibi ibn ibr ibt ibu iby iia iib iii iin iir iit iiu in- ina inb ini inn inr int inu iny ir- ira irb iri irn irr irt iru iry ita itb iti itn itt itu ity iu- iua iub iui iur iut iya iyr iyt iyy n-i naa nab nai nan nar nat nau nay nba nbb nbi nbn nbr nbt nbu nia nib nii nin nir nit niu nna nnb nni nnn nnt nnu nra nrb nri nrn nrr nrt nru nry nta ntb nti ntn ntr ntt ntu nua nub nui nun nur nut nuu nuy nya nyn nyt nyu nyy ra- raa rab rai ran rar rat rau ray rba rbb rbi rbn rbr rbt rbu ria rib rii rin rir rit riy rna rnb rni rnn rnr rnt rnu rny rra rrb rri rrn rrr rrt rru rta rtb rti rtn rtr rtt rtu rty rua rub rui run rur rut ruu ruy ry- rya ryn ryr ryu ryy taa tab tai tan tar tat tau tay tba tbb tbi tbn tbr tbt tbu tia tib tii tin tir tit tiu tiy tna tnb tni tnn tnr tnt tra trb tri trn trr trt tru try tta ttb tti ttn ttr ttt ttu tty tua tub tui tun tur tut tuu tuy tya tyn tyr tyt ua- uaa uab uai uan uar uat uau uay uba ubb ubi ubn ubr ubt ubu uby uia uib uii uin uir uit uiu un- una unb uni unn unr unt unu uny ur- ura urb uri urn urr urt uru ury uta utb uti utn utr utt utu uty uua uun uur uut uuu uyi uyu yaa yab yai yan yar yat yau yay ybi ybr yby yii yin yir yit yna ynn ynu yny yra yrn yrt yru yta ytn ytr ytt ytu yua yui yun yur yut yuu yuy yyb yyt yyu yyy