-er a-a a-i a-t aaa aae aai aao aap aar aat aav aax aea aee aei aeo aep aer aet aev aex ai- aia aie aii aio aip air ait aiv aix aoa aoe aoi aoo aop aor aot aov aox ap- apa ape api apo app apr apt apv apx ar- ara are ari aro arp arr art arv arx at- ata ate ati ato atp atr att atv atx av- ava ave avi avo avp avr avt avx ax- axa axe axi axo axp axr axt axv axx eaa eae eai eao eap ear eat eav eax eea eee eeo eep eer eet eev eex eia eie eii eio eip eir eit eiv 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 erv eta ete eti eto etp etr ett etv etx eva eve evi evo evp evr evt evv ex- exa exe exi exo exp exr ext exx i-v ia- iaa iae iai iao iap iar iat iav ie- iea iee iei iep ier iet iev iex iia iie iii iio iip iir iit iix io- ioa ioe ioi ioo iop ior iot iov ipa ipe ipi ipo ipp ipr ipt ipv ipx ir- ira ire iri iro irp irr irt irv irx ita ite iti ito itp itt itv itx iva ive ivi ivo ivp ivr ivt ivv ivx ixe ixi o-i oaa oae oai oao oap oar oat oav oax oea oee oei oeo oep oer oet oex oia oie oii oio oip oir oit oiv oo- ooa ooi ooo oop oor oot oov oox op- opa ope opi opo opp opr opt opv opx or- ora ore ori oro orp orr ort orv orx ot- ota ote oti oto otp otr ott otv ov- ova ove ovi ovo ovp ovv ox- oxa oxi oxo oxt oxx p-p paa pae pai pao pap par pat pav pax pea pee pei peo pep per pet pev pex pia pie pii pio pip pir pit piv pix poa poe poi poo pop por pot pov pox ppa ppe ppi ppo ppp ppr ppt ppv ppx pra pre pri pro prp prr prt prv prx pt- pta pte pti pto ptp ptr ptt ptv ptx pva pve pvi pvo pvp pvr pvt pvv pxe pxr pxt ra- raa rae rai rao rap rar rat rav rax re- rea ree rei reo rep rer ret rev rex ria rie rii rio rip rir rit riv rix roa roe roi roo rop ror rot rov rox rpa rpe rpi rpo rpp rpr rpt rpv rpx rra rri rrp rrr rrt rta rte rti rto rtp rtr rtt rtv rtx rva rve rvi rvo rvp rvr rvt rvv rxp rxr t-x taa tae tai tao tap tar tat tav tax te- tea tee tei teo tep ter tet tev tex tia tie tii tio tip tir tit tiv tix to- toa toe toi too top tor tot tov tox tpa tpe tpi tpo tpp tpr tpt tpv tpx tra tre tri tro trp trr trt trv trx tta tte tti tto ttp ttr ttt ttv ttx tva tve tvi tvo tvp tvr tvt tvx txe txi txt v-a v-e vaa vae vai vao vap var vat vav vax vea vee vei veo vep ver vet vex vi- via vie vii vio vip vir vit viv vix voa voe voi voo vop vor vot vov vox vpa vpe vpi vpo vpp vpr vpt vpx vra vre vri vrp vrr vrt vta vte vti vto vtr vtt vtv vtx vva vvi vvo vvr vvt vvv vxa vxr vxv xaa xap xar xat xav xee xep xer xet xev xex xia xie xii xio xit xiv xix xoa xoi xoo xop xor xot xov xox xpa xpe xpo xpp xpt xrt xrx xti xtp xtr xtv xtx xvi xvt xxi xxo xxp xxv xxx