-er a-a a-t aaa aae aak aao aap aar aat aav aea aee aek aeo aep aer aet aev aka ake akk ako akp akr akv aoa aoe aok aoo aop aor aot aov ap- apa ape apk apo app apr apt apv ar- ara are ark aro arp arr art arv at- ata ate ato atp atr att atv av- ava ave avk avo avp avr avt eaa eae eak eao eap ear eat eav eea eee eek eeo eep eer eet eev eka eke eko ekp ekr ekt ekv eo- eoa eoe eok eoo eop eor eot ep- epa epe epo epp epr ept era ere erk ero erp err ert erv eta ete etk eto etp etr ett etv eva eve evo evp evr evt evv k-t ka- kaa kae kak kao kap kar kat kav ke- kea kee kek keo kep ker ket kev kke kkk kkp kkr kkt kkv koa koe kok koo kop kor kot kpa kpe kpk kpo kpp kpr kpt kpv kra krk kro krp krr krt krv kta kte ktk kto ktp ktr ktt ktv kva kvk kvo kvp kvr kvv oaa oae oak oao oap oar oat oav oea oee oeo oep oer oet oka oke okk oko okp okr oo- ooa ook ooo oop oor oot oov op- opa ope opk opo opp opr opt opv or- ora ore ork oro orp orr ort orv ot- ota ote otk oto otp otr ott otv ov- ova ove ovo ovp ovv p-p paa pae pak pao pap par pat pav pea pee pek peo pep per pet pev pka pke pko pkp pkr pkt poa poe pok poo pop por pot pov ppa ppe ppk ppo ppp ppr ppt ppv pra pre prk pro prp prr prt prv pt- pta pte ptk pto ptp ptr ptt ptv pva pve pvk pvo pvp pvr pvt pvv ra- raa rae rak rao rap rar rat rav re- rea ree rek reo rep rer ret rev rke rkk rko rkp rkt rkv roa roe rok roo rop ror rot rov rpa rpe rpk rpo rpp rpr rpt rpv rra rrk rrp rrr rrt rta rte rtk rto rtp rtr rtt rtv rva rve rvo rvp rvr rvt rvv taa tae tak tao tap tar tat tav te- tea tee tek teo tep ter tet tev tka tke tkk tko tkp tkr tkt to- toa toe tok too top tor tot tov tpa tpe tpk tpo tpp tpr tpt tpv tra tre trk tro trp trr trt trv tta tte ttk tto ttp ttr ttt ttv tva tve tvk tvo tvp tvr tvt v-a v-e vaa vae vak vao vap var vat vav vea vee vek veo vep ver vet vka vkp vkt voa voe vok voo vop vor vot vov vpa vpe vpk vpo vpp vpr vpt vra vre vrk vrp vrr vrt vta vte vtk vto vtr vtt vtv vva vvo vvr vvt vvv