a-a a-b a-t aaa aab aag aan aap aas aat aay ab- aba abb abg abn abp abs abt aby ag- aga agb agg agn agp ags agt agy an- ana anb ang ann anp ans ant any ap- apa apb apg apn app aps apt apy as- asa asb asg asn asp ass ast asy at- ata atb atg atn atp ats att ay- aya ayn ayp ays ayt b-p baa bab bag ban bap bas bat bay bba bbb bbg bbn bbp bbs bbt bby bga bgb bgg bgn bgp bgs bgt bna bnb bng bnn bnp bns bnt bpa bpb bpg bpn bpp bps bpt bpy bsa bsb bsg bsn bsp bss bst bsy bta btb btg btn btp bts btt bty by- bya byg byn byp bys byt g-p gaa gab gag gan gap gas gat gay gba gbg gbn gbp gbs gbt gby gga ggb ggg ggn ggp ggs ggt gna gnb gnn gnp gns gnt gpa gpb gpg gpn gpp gps gpt gsa gsb gsg gsn gsp gss gst gta gtb gtg gtn gtp gts gtt gty gy- gya gyb gyn gyp gys naa nab nag nan nap nas nat nay nba nbb nbg nbn nbp nbs nbt nga ngb ngg ngn ngp ngs ngt nna nnb nng nnn nnp nns nnt npa npb npg npn npp nps npt nsa nsb nsg nsn nsp nss nst nsy nta ntb ntg ntn ntp nts ntt nya nyg nyn nyp nys nyt nyy p-p paa pab pag pan pap pas pat pay pba pbb pbg pbn pbp pbs pbt pby pga pgb pgg pgn pgp pgs pgt pgy pn- pna pnb png pnn pnp pns pnt pny ppa ppb ppg ppn ppp pps ppt ps- psa psb psg psn psp pss pst psy pt- pta ptb ptg ptn ptp pts ptt pty py- pya pyb pyg pyn pys pyt saa sab sag san sap sas sat say sba sbb sbg sbn sbp sbs sbt sby sga sgb sgg sgn sgp sgs sgt sna snb sng snn snp sns snt sny spa spb spg spn spp sps spt spy ss- ssa ssb ssg ssn ssp sss sst sta stb stg stn stp sts stt sty sy- sya syb syg syn syp sys syt taa tab tag tan tap tas tat tay tba tbb tbg tbn tbp tbs tbt tga tgb tgg tgn tgp tgs tgt tgy tna tnb tng tnn tnp tns tnt tpa tpb tpg tpn tpp tps tpt tsa tsb tsg tsn tsp tss tst tsy tta ttb ttg ttn ttp tts ttt tty tya tyg tyn typ tys tyt yaa yab yag yan yap yas yat yay ybg ybp ybs yby yga yna yng ynn ynp yns yny ypa ypg yps ysa ysb ysg ysp yss yst ysy yta ytn ytp yts ytt yyb yyg yys yyt yyy