The long vowels: Apart from the changes caused by umlaut, viz. {[a]} to
{[ae], [o]} to {[oe]}, and {[u]} to {iu} (Sec. 10), the OHG. long vowels
remained in MHG., as

[a] = (1) MHG. [a], as OHG. {s[a]t}, _seed_, {sl[a]fan}, _to sleep_, {d[a]hta},
_I thought_ = MHG. {s[a]t}, {sl[a]fen}, {d[a]hte}.
= (2) MHG. [ae], as OHG {l[a]ri}, _empty_, {n[a]mi}, _I might take_
= MHG. {l[ae]re}, {n[ae]me}.

[e] = MHG. [e], as OHG. {[e]ra}, _honour_, {l[e]ren}, _to teach_, {s[e]la},
_soul_ = MHG. {[e]re}, {l[e]ren}, {s[e]le}.

[i] = MHG. [i], as OHG. {s[i]n}, _his_, {w[i]b}, _woman_, {sn[i]dan}, _to cut_
= MHG. {s[i]n}, {w[i]p}, {sn[i]den}.

[o] = (1) MHG. [o], as OHG. {[o]ra}, _ear_, {t[o]d}, _death_, {k[o]s},
_I chose_ = MHG. {[o]re}, {t[o]t}, {k[o]s}.
= (2) MHG. [oe], as OHG. {h[o]hiro}, _higher_, {h[o]ren}, _to hear_,
{sc[o]ni}, _beautiful_ = MHG. {h[oe]her}, {h[oe]ren}, {sch[oe]ne}.

[u] = (1) MHG. [u], as OHG. {h[u]s}, _house_, {r[u]m}, _room_, {d[u]hta},
_it seemed_ = MHG. {h[u]s}, {r[u]m}, {d[u]hte}.

= (2) MHG. iu, as OHG. {h[u]sir}, _houses_, {br[u]ti}, _brides_
= MHG. {hiuser}, {briute}.

3. The diphthongs:

ei = MHG. ei, as OHG. {bein}, _bone_, {leiten}, _to lead_, {sneid},
_I cut_ = MHG. {bein}, {leiten}, {sneit}.

ie (older ia, ea = Germanic [e]) = MHG. ie, as OHG. {hier}, _here_,
{mieta}, _reward_, {hielt}, _I held_, {hie[z]}, _I called_, {slief},
_I slept_ = MHG. {hier}, {miete}, {hielt}, {hie[z]}, {slief}.

io (eo) = Germanic eu (Sec. 16), and the io (eo) in the preterites of the
old reduplicated verbs whose presents have ou, [o], uo (Sec. 87).
= MHG. ie, as OHG. {liob}, _dear_, {biotan}, _to offer_
= MHG. {liep}, {bieten}; OHG. {liof}, _I ran_, {stio[z]},
_I pushed_, {riof}, _I called_ = MHG. {lief}, {stie[z]},
{rief}.

iu = MHG. [-u:] written iu, as OHG. {liuti}, _people_, {kiusit}, _he
chooses_ = MHG. {liute}, {kiuset}.

ou (older au) = (1) MHG. ou, as OHG. {ouga}, _eye_, {boug}, _I bent_,
{loufan}, _to run_ = MHG. {ouge}, {bouc}, {loufen}.
= (2) MHG. [o:]u (eu), as OHG. {loubir}, _leaves_,
{loufil}, _runner_ = MHG. {l[o:]uber}, {l[o:]ufel}.

uo = (1) MHG. uo, as OHG. {bruoder}, _brother_, {muoter}, _mother_,
{stuont}, _I stood_ = MHG. {bruoder}, {muoter}, {stuont}.
= (2) MHG. [u:]e, as OHG. {gruoni}, _green_