a-a aaa aak aan aao aap aas aav aka akk akn ako akp aks akv an- ana ank ann ano anp ans anv aoa aok aon aoo aop aos aov ap- apa apk apn apo app aps apv as- asa ask asn aso asp ass asv av- ava avk avn avo avp avs ka- kaa kak kan kao kap kas kav kkk kkn kkp kks kkv kn- kna knk knn kno knp koa kok kon koo kop kos kpa kpk kpn kpo kpp kps kpv ksa ksk ksn kso ksp kss ksv kva kvk kvn kvo kvp kvs kvv naa nak nan nao nap nas nav nka nkk nkn nko nkp nks nna nnk nnn nno nnp nns nnv no- noa nok non noo nop nos nov npa npn npo npp nps npv nsa nsk nsn nso nsp nss nsv nva nvk nvn nvp nvv oaa oak oan oao oap oas oav oka okk oko okp oks on- ona onk onn ono onp ons oo- ooa ook oon ooo oop oos oov op- opa opk opn opo opp ops opv os- osa osk osn oso osp oss osv ov- ova ovo ovp ovs ovv p-p paa pak pan pao pap pas pav pka pkn pko pkp pks pn- pna pnk pnn pno pnp pns pnv poa pok pon poo pop pos pov ppa ppk ppn ppo ppp pps ppv ps- psa psk psn pso psp pss psv pva pvk pvn pvo pvp pvs pvv saa sak san sao sap sas sav sk- ska skk sko skp sks sna snk snn sno snp sns snv soa sok son soo sop sos sov spa spk spn spo spp sps spv ss- ssa ssk ssn sso ssp sss ssv sva svk svn svo svp svs svv v-a vaa vak van vao vap vas vav vka vkp vn- vna vno vnp vns vnv voa vok von voo vop vos vov vpa vpk vpn vpo vpp vps vsa vsk vsn vso vsp vss vsv vva vvo vvs vvv