-ey a-a a-b aaa aab aad aae aan aap aay ab- aba abb abd abe abn abp aby ad- ada adb add ade adn adp ady aea aeb aed aee aen aep aey an- ana anb and ane ann anp any ap- apa apb apd ape apn app apy ay- aya ayd aye ayn ayp b-p baa bab bad bae ban bap bay bba bbb bbd bbe bbn bbp bby bda bdb bdd bde bdp bdy be- bea beb bed bee ben bep bey bna bnb bnd bne bnn bnp bpa bpb bpd bpe bpn bpp bpy by- bya byd bye byn byp daa dab dad dae dan dap day dba dbb dbd dbe dbn dbp dby dda ddb ddd dde ddn ddp ddy de- dea deb ded dee den dep dey dna dnb dnd dne dnn dnp dny dpa dpb dpd dpe dpn dpp dy- dya dyb dyd dye dyn dyp dyy eaa eab ead eae ean eap eba ebb ebd ebe ebn ebp eby ed- eda edb edd ede edn edp edy eea eeb eed eee een eep eey en- ena enb end ene enn enp eny ep- epa epb epd epe epn epp eya eyd eye eyn eyp naa nab nad nae nan nap nay nba nbb nbd nbe nbn nbp nda ndb ndd nde ndn ndp ndy ne- nea neb ned nee nen nep ney nna nnb nne nnn nnp npa npb npd npe npn npp nya nyd nye nyn nyp nyy p-p paa pab pad pae pan pap pay pba pbb pbd pbe pbn pbp pby pda pdb pdd pde pdn pdp pea peb ped pee pen pep pey pn- pna pnb pnd pne pnn pnp pny ppa ppb ppd ppe ppn ppp py- pya pyb pyd pye pyn yaa yab yad yae yan yap yay ybe ybp yby yda yde ydn ydy yea yeb yed yee yen yep yey yna ynd yne ynn ynp yny ypa ypd yyb yye yyy