a-a a-b a-i a-t aaa aab aai aan aap aar aat aay ab- aba abb abi abn abp abr abt aby ai- aia aib aii ain aip air ait aiy an- ana anb ani ann anp anr ant any ap- apa apb api apn app apr apt apy ar- ara arb ari arn arp arr art ary at- ata atb ati atn atp atr att ay- aya ayi ayn ayp ayr ayt b-p baa bab bai ban bap bar bat bay bba bbb bbi bbn bbp bbr bbt bby bi- bia bib bii bin bip bir bit biy bna bnb bni bnn bnp bnr bnt bpa bpb bpi bpn bpp bpr bpt bpy bra brb bri brn brp brr brt bry bta btb bti btn btp btr btt bty by- bya byi byn byp byr byt ia- iaa iab iai ian iap iar iat iba ibb ibi ibn ibp ibr ibt iby iia iib iii iin iip iir iit in- ina inb ini inn inp inr int iny ipa ipb ipi ipn ipp ipr ipt ipy ir- ira irb iri irn irp irr irt iry ita itb iti itn itp itt ity iya iyr iyt iyy n-i naa nab nai nan nap nar nat nay nba nbb nbi nbn nbp nbr nbt nia nib nii nin nip nir nit nna nnb nni nnn nnp nnt npa npb npi npn npp npr npt nra nrb nri nrn nrp nrr nrt nry nta ntb nti ntn ntp ntr ntt nya nyn nyp nyt nyy p-p paa pab pai pan pap par pat pay pba pbb pbi pbn pbp pbr pbt pby pia pib pii pin pip pir pit pn- pna pnb pni pnn pnp pnr pnt pny ppa ppb ppi ppn ppp ppr ppt pra prb pri prn prp prr prt pry pt- pta ptb pti ptn ptp ptr ptt pty py- pya pyb pyn pyr pyt ra- raa rab rai ran rap rar rat ray rba rbb rbi rbn rbp rbr rbt ria rib rii rin rip rir rit riy rna rnb rni rnn rnp rnr rnt rny rpa rpb rpi rpn rpp rpr rpt rra rrb rri rrn rrp rrr rrt rta rtb rti rtn rtp rtr rtt rty ry- rya ryn ryr ryy taa tab tai tan tap tar tat tay tba tbb tbi tbn tbp tbr tbt tia tib tii tin tip tir tit tiy tna tnb tni tnn tnp tnr tnt tpa tpb tpi tpn tpp tpr tpt tra trb tri trn trp trr trt try tta ttb tti ttn ttp ttr ttt tty tya tyn typ tyr tyt yaa yab yai yan yap yar yat yay ybi ybp ybr yby yii yin yip yir yit yna ynn ynp yny ypa yra yrn yrp yrt yta ytn ytp ytr ytt yyb yyt yyy