-er a-a a-i aaa aae aai aao aap aar aas aav aea aee aei aeo aep aer aes aev ai- aia aie aii aio aip air ais aiv aoa aoe aoi aoo aop aor aos aov ap- apa ape api apo app apr aps apv ar- ara are ari aro arp arr ars arv as- asa ase asi aso asp asr ass asv av- ava ave avi avo avp avr avs eaa eae eai eao eap ear eas eav eea eee eeo eep eer ees eev eia eie eii eio eip eir eis eiv eo- eoa eoe eoi eoo eop eor eos ep- epa epe epi epo epp epr eps era ere eri ero erp err ers erv es- esa ese esi eso esp esr ess esv eva eve evi evo evp evr evs evv i-v ia- iaa iae iai iao iap iar ias iav ie- iea iee iei iep ier ies iev iia iie iii iio iip iir iis io- ioa ioe ioi ioo iop ior ios iov ipa ipe ipi ipo ipp ipr ips ipv ir- ira ire iri iro irp irr irs irv is- isa ise isi iso isp isr iss isv iva ive ivi ivo ivp ivr ivs ivv o-i oaa oae oai oao oap oar oas oav oea oee oei oeo oep oer oes oia oie oii oio oip oir ois oiv oo- ooa ooi ooo oop oor oos oov op- opa ope opi opo opp opr ops opv or- ora ore ori oro orp orr ors orv os- osa ose osi oso osp osr oss osv ov- ova ove ovi ovo ovp ovs ovv p-p paa pae pai pao pap par pas pav pea pee pei peo pep per pes pev pia pie pii pio pip pir pis piv poa poe poi poo pop por pos pov ppa ppe ppi ppo ppp ppr pps ppv pra pre pri pro prp prr prs prv ps- psa pse psi pso psp psr pss psv pva pve pvi pvo pvp pvr pvs pvv ra- raa rae rai rao rap rar ras rav re- rea ree rei reo rep rer res rev ria rie rii rio rip rir ris riv roa roe roi roo rop ror ros rov rpa rpe rpi rpo rpp rpr rps rpv rra rri rrp rrr rrs rsa rse rsi rso rsp rsr rss rsv rva rve rvi rvo rvp rvr rvs rvv saa sae sai sao sap sar sas sav se- sea see sei seo sep ser ses sev sia sie sii sio sip sir sis siv soa soe soi soo sop sor sos sov spa spe spi spo spp spr sps spv sr- sra sre sri sro srp srr srs srv ss- ssa sse ssi sso ssp ssr sss ssv sva sve svi svo svp svr svs svv v-a v-e vaa vae vai vao vap var vas vav vea vee vei veo vep ver ves vi- via vie vii vio vip vir vis viv voa voe voi voo vop vor vos vov vpa vpe vpi vpo vpp vpr vps vra vre vri vrp vrr vrs vsa vse vsi vso vsp vsr vss vsv vva vvi vvo vvr vvs vvv