-er eee eek een eer eev ehe ehh ehn ehr ehv eke ekh ekr ekv en- ene enh enk enn enr env ere erh erk ern err erv eve evh evn evr evv he- hee heh hek hen her hev hhe hhh hhk hhn hhr hhv hkh hkk hkn hkr hne hnh hnk hnn hnv hr- hre hrh hrk hrn hrr hrv hv- hvk hvn hvr hvv ke- kee keh kek ken ker kev khe khh khk khn khr khv kke kkh kkk kkn kkr kkv kn- kne knk knn knr krk krn krr krv kvh kvk kvn kvr kvv ne- nee neh nek nen ner nev nhe nhh nhk nhn nhr nhv nke nkk nkn nkr nne nnh nnk nnn nnv nre nrk nrn nrr nrv nve nvh nvk nvn nvv re- ree reh rek ren rer rev rh- rhe rhh rhn rhr rhv rke rkk rkv rnh rnn rnr rnv rrh rrk rrn rrr rve rvh rvn rvr rvv v-e vee veh vek ven ver vh- vhe vn- vnr vnv vre vrh vrk vrn vrr vvr vvv