-er a-a a-i aaa aae aai aak aap aar aav aea aee aei aek aep aer aev ai- aia aie aii aik aip air aiv aka ake aki akk akp akr akv ap- apa ape api apk app apr apv ar- ara are ari ark arp arr arv av- ava ave avi avk avp avr eaa eae eai eak eap ear eav eea eee eek eep eer eev eia eie eii eik eip eir eiv eka eke eki ekp ekr ekv ep- epa epe epi epp epr era ere eri erk erp err erv eva eve evi evp evr evv i-v ia- iaa iae iai iap iar iav ie- iea iee iei iek iep ier iev iia iie iii iip iir ika ike iki ikk ikr ikv ipa ipe ipi ipp ipr ipv ir- ira ire iri irk irp irr irv iva ive ivi ivp ivr ivv ka- kaa kae kai kak kap kar kav ke- kea kee kei kek kep ker kev kia kie kii kik kip kir kiv kke kki kkk kkp kkr kkv kpa kpe kpi kpk kpp kpr kpv kra kri krk krp krr krv kva kvi kvk kvp kvr kvv p-p paa pae pai pak pap par pav pea pee pei pek pep per pev pia pie pii pik pip pir piv pka pke pki pkp pkr ppa ppe ppi ppk ppp ppr ppv pra pre pri prk prp prr prv pva pve pvi pvk pvp pvr pvv ra- raa rae rai rak rap rar rav re- rea ree rei rek rep rer rev ria rie rii rik rip rir riv rke rkk rkp rkv rpa rpe rpi rpk rpp rpr rpv rra rri rrk rrp rrr rva rve rvi rvp rvr rvv v-a v-e vaa vae vai vak vap var vav vea vee vei vek vep ver vi- via vie vii vik vip vir viv vka vkp vpa vpe vpi vpk vpp vpr vra vre vri vrk vrp vrr vva vvi vvr vvv