-er -ey a-a a-c aaa aac aae aah aak aao aar aav aay ac- aca acc ace ach ack aco acr acv acy aea aec aee aeh aek aeo aer aev aey aha ahc ahe ahh ahk aho ahr ahv ahy aka akc ake akh akk ako akr akv aoa aoc aoe aoh aok aoo aor aov ar- ara arc are arh ark aro arr arv ary av- ava avc ave avh avk avo avr avy ay- aya ayc aye ayh ayk ayo ayr c-- caa cac cae cah cak cao car cav cay cca ccc cce cch cck cco ccr ccv ce- cea cec cee ceh cek ceo cer cev cey ch- cha chc che chh chk cho chr chv chy cka ckc ckh cko cky co- coa coc coe coh cok coo cor cov coy cra crc cre crh crk cro crr crv cry cva cvc cve cvh cvk cvo cvr cvv cya cyc cye cyk cyo cyr eaa eac eae eah eak eao ear eav ec- eca ecc ece ech eck eco ecr ecv eea eec eee eek eeo eer eev eey eha ehc ehe ehh eho ehr ehv eka ekc eke ekh eko ekr ekv eky eo- eoa eoc eoe eoh eok eoo eor era erc ere erh erk ero err erv ery eva evc eve evh evo evr evv evy eya eyc eye eyo eyr haa hac hae hah hak hao har hav hay hca hcc hce hch hck hco hcr hcv hcy he- hea hec hee heh hek heo her hev hey hha hhc hhe hhh hhk hho hhr hhv hhy hka hkh hkk hko hkr hoa hoc hoe hoh hok hoo hor hov hoy hr- hra hrc hre hrh hrk hro hrr hrv hv- hva hvc hvk hvo hvr hvv hvy hy- hya hyc hye hyh hyo hyr hyv hyy ka- kaa kac kae kah kak kao kar kav kay kca kcc kce kch kck kcr ke- kea kec kee keh kek keo ker kev key kha khe khh khk kho khr khv kkc kke kkh kkk kkr kkv kky koa koc koe koh kok koo kor koy kra krc krk kro krr krv kry kva kvh kvk kvo kvr kvv kya kyc kye kyo kyr oaa oac oae oah oak oao oar oav oc- oca occ och ock oco ocr ocv oea oec oee oeh oeo oer oey oha ohc ohe ohh oho ohr oka okc oke okk oko okr oo- ooa ooc ooh ook ooo oor oov or- ora orc ore orh ork oro orr orv ory ov- ova ovc ove ovh ovo ovv oya oye oyo ra- raa rac rae rah rak rao rar rav ray rca rcc rce rch rco rcr rcv re- rea rec ree reh rek reo rer rev rey rh- rha rhc rhe rhh rho rhr rhv rkc rke rkk rko rkv rky roa roc roe roh rok roo ror rov roy rra rrc rrh rrk rrr rva rvc rve rvh rvo rvr rvv rvy ry- rya ryc rye ryk ryo ryr ryy v-a v-e vaa vac vae vah vak vao var vav vay vca vcc vce vch vco vcr vcy vea vec vee veh vek veo ver vey vh- vha vhc vhe vho vka voa voc voe voh vok voo vor vov voy vra vrc vre vrh vrk vrr vry vva vvc vvo vvr vvv vye yaa yac yae yah yak yao yar yav yay yca ycc yce ych yco ycv ycy yea yec yee yeh yek yeo yer yev yey yha yhc yhe yka ykk yoc yoe yok yoo yor yoy yra yrc yre yro yva yve yvo yvr yvy yyc yye yyy