h-ii hhhh hihi hiht hiit hiri hirm hirt hiti hitt hmmm hmri hrit hrym htmi httm httr hymy hyrt ihit iiht iiii iiit iitm iitr iitt imhi imir imit imix immi immt immy imri imrr iri- irix iriy irri irti itim itri itry itty itym ixxi mhmm mhmr mihi mihr miht miii miit mim- mimi mimy miri mirr mirt miry mit- mith miti mitm mitt mitx mity mixi mixt mixx mixy mmhi mmhm mmii mmix mmmh mmmm mmxi mmxx mmyy mrtm mrtt mtrr mttr mxii mxim mxit mxxi myi- myir myit mymy myrr myrt myry myth myx- myxy rhim riht rimi rimm rimy riri rith riti ritt rixy rrrr rtmi ryim ryth rytt ryyt thi- thim thir thmt thri thtr thyh thym thyx tiht tiit timi timm tiri tirr tiry tith titi titt tixt tiyi tmtt tri- trim trit trix trmi trtr try- trym ttim tttt txii txtr tyht tyir tyr- tyrr tyti tytt tyty tyxt xhri xiii xixi xmii xtry xxii xxix xxxi xxxx xxxy xyr- yhit yirm yirr yiti ymir ytht yyyy