-er -ey a-a a-t aaa aae aan aap aar aat aax aay aea aee aen aep aer aet aex aey an- ana ane ann anp anr ant anx any ap- apa ape apn app apr apt apx apy ar- ara are arn arp arr art arx ary at- ata ate atn atp atr att atx ax- axa axe axn axp axr axt axx ay- aya aye ayn ayp ayr ayt ayx eaa eae ean eap ear eat eax eea eee een eep eer eet eex eey en- ena ene enn enp enr ent eny ep- epa epe epn epp epr ept epx era ere ern erp err ert ery eta ete etn etp etr ett etx ety ex- exa exe exp exr ext exx exy eya eye eyn eyp eyr eyt naa nae nan nap nar nat nax nay ne- nea nee nen nep ner net nex ney nna nne nnn nnp nnt npa npe npn npp npr npt nra nre nrn nrp nrr nrt nrx nry nta nte ntn ntp ntr ntt ntx nxt nya nye nyn nyp nyt nyx nyy p-p paa pae pan pap par pat pax pay pea pee pen pep per pet pex pey pn- pna pne pnn pnp pnr pnt pnx pny ppa ppe ppn ppp ppr ppt ppx pra pre prn prp prr prt prx pry pt- pta pte ptn ptp ptr ptt ptx pty pxe pxr pxt py- pya pye pyn pyr pyt pyx ra- raa rae ran rap rar rat rax ray re- rea ree ren rep rer ret rex rey rna rnn rnp rnr rnt rny rpa rpe rpn rpp rpr rpt rpx rra rrn rrp rrr rrt rta rte rtn rtp rtr rtt rtx rty rxp rxr ry- rya rye ryn ryr ryy t-x taa tae tan tap tar tat tax tay te- tea tee ten tep ter tet tex tey tna tne tnn tnp tnr tnt tnx tpa tpe tpn tpp tpr tpt tpx tra tre trn trp trr trt trx try tta tte ttn ttp ttr ttt ttx tty txe txn txt tya tye tyn typ tyr tyt xaa xan xap xar xat xee xen xep xer xet xex xna xpa xpe xpn xpp xpt xrt xrx xry xtp xtr xtx xty xxp xxx xxy xyp xyr xyy yaa yae yan yap yar yat yax yay yea yee yen yep yer yet yex yey yna yne ynn ynp yny ypa yra yre yrn yrp yrt yta yte ytn ytp ytr ytt yxa yxe yxy yye yyt yyy