hhhhh hi-hi hiroi hiroo hirox hirth hitit hitor hitto ho-ho ho-oh hohot hoori hoort horii horio horow horro horth horti horto hothr hotot hotto howit howth howto hthrt htwoo iiiii iitti ioooi ioooo iorio iotit iotti irori irrit ithot ittoo ittti itwix iworo iwrit oh-oh ohhow ohrio ohrot ohwow oirot oitti ooioo ooooh ooooo orhow orito oroix orrow orth- ortho ortoo ortwo othoi otori ototo ottir ottoi oxxio rithi rixoi ro-ro rohit rohri roiot roohi rotho roto- rotor rotot rotox rotti rotto rowth rowto roxio thio- thiri thoix thori thoro thorr thort thorw thoth thoti thowt thrix throo throt throw ti-hi ti-ti tirit tiro- tiroi tirth tithi titho titii titti to-ho tohit tohot tooth torht torii torio torit torow torri torro torti torto toti- toto- totoo totwo towit towoo toxi- toxo- trior trit- trito tritt troth trott ttttt twixt twohr twoor twort twoth twoto whiht whiro whirr whith whitt whoor whoot whorr whort whott wi-wi wirth with- withi witow witti wixiw woori worow worth wowio wowow wriht writh wroot wroth ww-ii wwiii wwwww x-wrt xhort xootr xorro xotox xoxox xtort xxiii xxxii xxxix