-er -ey a-a a-i a-t aaa aae aai aao aap aar aat aax aay aea aee aei aeo aep aer aet aex aey ai- aia aie aii aio aip air ait aix aiy aoa aoe aoi aoo aop aor aot aox ap- apa ape api apo app apr apt apx apy ar- ara are ari aro arp arr art arx ary at- ata ate ati ato atp atr att atx ax- axa axe axi axo axp axr axt axx ay- aya aye ayi ayo ayp ayr ayt ayx eaa eae eai eao eap ear eat eax eea eee eeo eep eer eet eex eey eia eie eii eio eip eir eit eix eo- eoa eoe eoi eoo eop eor eot ep- epa epe epi epo epp epr ept epx era ere eri ero erp err ert ery eta ete eti eto etp etr ett etx ety ex- exa exe exi exo exp exr ext exx exy eya eye eyo eyp eyr eyt ia- iaa iae iai iao iap iar iat ie- iea iee iei iep ier iet iex iey iia iie iii iio iip iir iit iix io- ioa ioe ioi ioo iop ior iot ipa ipe ipi ipo ipp ipr ipt ipx ipy ir- ira ire iri iro irp irr irt irx iry ita ite iti ito itp itt itx ity ixe ixi ixy iya iye iyo iyr iyt iyy o-i oaa oae oai oao oap oar oat oax oea oee oei oeo oep oer oet oex oey oia oie oii oio oip oir oit oo- ooa ooi ooo oop oor oot oox op- opa ope opi opo opp opr opt opx opy or- ora ore ori oro orp orr ort orx ory ot- ota ote oti oto otp otr ott ox- oxa oxi oxo oxt oxx oxy oya oye oyi oyo p-p paa pae pai pao pap par pat pax pay pea pee pei peo pep per pet pex pey pia pie pii pio pip pir pit pix poa poe poi poo pop por pot pox poy ppa ppe ppi ppo ppp ppr ppt ppx pra pre pri pro prp prr prt prx pry pt- pta pte pti pto ptp ptr ptt ptx pty pxe pxr pxt py- pya pye pyo pyr pyt pyx ra- raa rae rai rao rap rar rat rax ray re- rea ree rei reo rep rer ret rex rey ria rie rii rio rip rir rit rix riy roa roe roi roo rop ror rot rox roy rpa rpe rpi rpo rpp rpr rpt rpx rra rri rrp rrr rrt rta rte rti rto rtp rtr rtt rtx rty rxp rxr ry- rya rye ryo ryr ryy t-x taa tae tai tao tap tar tat tax tay te- tea tee tei teo tep ter tet tex tey tia tie tii tio tip tir tit tix tiy to- toa toe toi too top tor tot tox toy tpa tpe tpi tpo tpp tpr tpt tpx tra tre tri tro trp trr trt trx try tta tte tti tto ttp ttr ttt ttx tty txe txi txt tya tye tyo typ tyr tyt xaa xap xar xat xee xep xer xet xex xia xie xii xio xit xix xoa xoi xoo xop xor xot xox xpa xpe xpo xpp xpt xrt xrx xry xti xtp xtr xtx xty xxi xxo xxp xxx xxy xyp xyr xyy yaa yae yai yao yap yar yat yax yay yea yee yei yeo yep yer yet yex yey yie yii yio yip yir yit yoe yoi yoo yop yor yot yox yoy ypa ypo yra yre yro yrp yrt yta yte yto ytp ytr ytt yxa yxe yxy yye yyt yyy