-er -ey a-a a-t aaa aae aak aao aar aat aav aay aea aee aek aeo aer aet aev aey aka ake akk ako akr akv aoa aoe aok aoo aor aot aov ar- ara are ark aro arr art arv ary at- ata ate ato atr att atv av- ava ave avk avo avr avt avy ay- aya aye ayk ayo ayr ayt eaa eae eak eao ear eat eav eea eee eek eeo eer eet eev eey eka eke eko ekr ekt ekv eky eo- eoa eoe eok eoo eor eot era ere erk ero err ert erv ery eta ete etk eto etr ett etv ety eva eve evo evr evt evv evy eya eye eyo eyr eyt k-t ka- kaa kae kak kao kar kat kav kay ke- kea kee kek keo ker ket kev key kke kkk kkr kkt kkv kky koa koe kok koo kor kot koy kra krk kro krr krt krv kry kta kte ktk kto ktr ktt ktv kva kvk kvo kvr kvv kya kye kyo kyr kyt oaa oae oak oao oar oat oav oea oee oeo oer oet oey oka oke okk oko okr oo- ooa ook ooo oor oot oov or- ora ore ork oro orr ort orv ory ot- ota ote otk oto otr ott otv ov- ova ove ovo ovv oya oye oyo ra- raa rae rak rao rar rat rav ray re- rea ree rek reo rer ret rev rey rke rkk rko rkt rkv rky roa roe rok roo ror rot rov roy rra rrk rrr rrt rta rte rtk rto rtr rtt rtv rty rva rve rvo rvr rvt rvv rvy ry- rya rye ryk ryo ryr ryy taa tae tak tao tar tat tav tay te- tea tee tek teo ter tet tev tey tka tke tkk tko tkr tkt tky to- toa toe tok too tor tot tov toy tra tre trk tro trr trt trv try tta tte ttk tto ttr ttt ttv tty tva tve tvk tvo tvr tvt tvy tya tye tyo tyr tyt v-a v-e vaa vae vak vao var vat vav vay vea vee vek veo ver vet vey vka vkt voa voe vok voo vor vot vov voy vra vre vrk vrr vrt vry vta vte vtk vto vtr vtt vtv vty vva vvo vvr vvt vvv vye vyt yaa yae yak yao yar yat yav yay yea yee yek yeo yer yet yev yey yka ykk yoe yok yoo yor yot yoy yra yre yro yrt yta yte ytk yto ytr ytt ytv yva yve yvo yvr yvy yye yyt yyy