a-a a-i aaa aai aao aap aar aas aav ai- aia aii aio aip air ais aiv aoa aoi aoo aop aor aos aov ap- apa api apo app apr aps apv ar- ara ari aro arp arr ars arv as- asa asi aso asp asr ass asv av- ava avi avo avp avr avs i-v ia- iaa iai iao iap iar ias iav iia iii iio iip iir iis io- ioa ioi ioo iop ior ios iov ipa ipi ipo ipp ipr ips ipv ir- ira iri iro irp irr irs irv is- isa isi iso isp isr iss isv iva ivi ivo ivp ivr ivs ivv o-i oaa oai oao oap oar oas oav oia oii oio oip oir ois oiv oo- ooa ooi ooo oop oor oos oov op- opa opi opo opp opr ops opv or- ora ori oro orp orr ors orv os- osa osi oso osp osr oss osv ov- ova ovi ovo ovp ovs ovv p-p paa pai pao pap par pas pav pia pii pio pip pir pis piv poa poi poo pop por pos pov ppa ppi ppo ppp ppr pps ppv pra pri pro prp prr prs prv ps- psa psi pso psp psr pss psv pva pvi pvo pvp pvr pvs pvv ra- raa rai rao rap rar ras rav ria rii rio rip rir ris riv roa roi roo rop ror ros rov rpa rpi rpo rpp rpr rps rpv rra rri rrp rrr rrs rsa rsi rso rsp rsr rss rsv rva rvi rvo rvp rvr rvs rvv saa sai sao sap sar sas sav sia sii sio sip sir sis siv soa soi soo sop sor sos sov spa spi spo spp spr sps spv sr- sra sri sro srp srr srs srv ss- ssa ssi sso ssp ssr sss ssv sva svi svo svp svr svs svv v-a vaa vai vao vap var vas vav vi- via vii vio vip vir vis viv voa voi voo vop vor vos vov vpa vpi vpo vpp vpr vps vra vri vrp vrr vrs vsa vsi vso vsp vsr vss vsv vva vvi vvo vvr vvs vvv