a-a aaa aan aao aap aar aas aav an- ana ann ano anp anr ans anv aoa aon aoo aop aor aos aov ap- apa apn apo app apr aps apv ar- ara arn aro arp arr ars arv as- asa asn aso asp asr ass asv av- ava avn avo avp avr avs naa nan nao nap nar nas nav nna nnn nno nnp nns nnv no- noa non noo nop nor nos nov npa npn npo npp npr nps npv nra nrn nro nrp nrr nrs nrv nsa nsn nso nsp nsr nss nsv nva nvn nvp nvv oaa oan oao oap oar oas oav on- ona onn ono onp onr ons oo- ooa oon ooo oop oor oos oov op- opa opn opo opp opr ops opv or- ora orn oro orp orr ors orv os- osa osn oso osp osr oss osv ov- ova ovo ovp ovs ovv p-p paa pan pao pap par pas pav pn- pna pnn pno pnp pnr pns pnv poa pon poo pop por pos pov ppa ppn ppo ppp ppr pps ppv pra prn pro prp prr prs prv ps- psa psn pso psp psr pss psv pva pvn pvo pvp pvr pvs pvv ra- raa ran rao rap rar ras rav rna rnn rno rnp rnr rns rnv roa ron roo rop ror ros rov rpa rpn rpo rpp rpr rps rpv rra rrn rrp rrr rrs rsa rsn rso rsp rsr rss rsv rva rvn rvo rvp rvr rvs rvv saa san sao sap sar sas sav sna snn sno snp snr sns snv soa son soo sop sor sos sov spa spn spo spp spr sps spv sr- sra srn sro srp srr srs srv ss- ssa ssn sso ssp ssr sss ssv sva svn svo svp svr svs svv v-a vaa van vao vap var vas vav vn- vna vno vnp vnr vns vnv voa von voo vop vor vos vov vpa vpn vpo vpp vpr vps vra vrn vrp vrr vrs vsa vsn vso vsp vsr vss vsv vva vvo vvr vvs vvv