-er -ey a-a a-b aaa aab aad aae aan aap aar aay ab- aba abb abd abe abn abp abr aby ad- ada adb add ade adn adp adr ady aea aeb aed aee aen aep aer aey an- ana anb and ane ann anp anr any ap- apa apb apd ape apn app apr apy ar- ara arb ard are arn arp arr ary ay- aya ayd aye ayn ayp ayr b-p baa bab bad bae ban bap bar bay bba bbb bbd bbe bbn bbp bbr bby bda bdb bdd bde bdp bdr bdy be- bea beb bed bee ben bep ber bey bna bnb bnd bne bnn bnp bnr bpa bpb bpd bpe bpn bpp bpr bpy bra brb brd bre brn brp brr bry by- bya byd bye byn byp byr daa dab dad dae dan dap dar day dba dbb dbd dbe dbn dbp dbr dby dda ddb ddd dde ddn ddp ddr ddy de- dea deb ded dee den dep der dey dna dnb dnd dne dnn dnp dnr dny dpa dpb dpd dpe dpn dpp dpr dra drb drd dre drn drp drr dry dy- dya dyb dyd dye dyn dyp dyr dyy eaa eab ead eae ean eap ear eba ebb ebd ebe ebn ebp ebr eby ed- eda edb edd ede edn edp edr edy eea eeb eed eee een eep eer eey en- ena enb end ene enn enp enr eny ep- epa epb epd epe epn epp epr era erb erd ere ern erp err ery eya eyd eye eyn eyp eyr naa nab nad nae nan nap nar nay nba nbb nbd nbe nbn nbp nbr nda ndb ndd nde ndn ndp ndr ndy ne- nea neb ned nee nen nep ner ney nna nnb nne nnn nnp npa npb npd npe npn npp npr nra nrb nrd nre nrn nrp nrr nry nya nyd nye nyn nyp nyy p-p paa pab pad pae pan pap par pay pba pbb pbd pbe pbn pbp pbr pby pda pdb pdd pde pdn pdp pdr pea peb ped pee pen pep per pey pn- pna pnb pnd pne pnn pnp pnr pny ppa ppb ppd ppe ppn ppp ppr pra prb prd pre prn prp prr pry py- pya pyb pyd pye pyn pyr ra- raa rab rad rae ran rap rar ray rba rbb rbd rbe rbn rbp rbr rda rdb rdd rde rdn rdp rdr rdy re- rea reb red ree ren rep rer rey rna rnb rnd rnn rnp rnr rny rpa rpb rpd rpe rpn rpp rpr rra rrb rrd rrn rrp rrr ry- rya ryd rye ryn ryr ryy yaa yab yad yae yan yap yar yay ybe ybp ybr yby yda yde ydn ydy yea yeb yed yee yen yep yer yey yna ynd yne ynn ynp yny ypa ypd yra yre yrn yrp yyb yye yyy