thica htica tihca ithca hitca ihtca thcia htcia tchia cthia hctia chtia ticha itcha tciha ctiha ictha citha hicta ihcta hcita chita ichta cihta thiac htiac tihac ithac hitac ihtac thaic htaic tahic athic hatic ahtic tiahc itahc taihc atihc iathc aithc hiatc ihatc haitc ahitc iahtc aihtc thcai htcai tchai cthai hctai chtai thaci htaci tahci athci hatci ahtci tcahi ctahi tachi atchi cathi acthi hcati chati hacti ahcti cahti achti ticah itcah tciah ctiah ictah citah tiach itach taich atich iatch aitch tcaih ctaih tacih atcih catih actih icath ciath iacth aicth caith acith hicat ihcat hciat chiat ichat cihat hiact ihact haict ahict iahct aihct hcait chait hacit ahcit cahit achit icaht ciaht iacht aicht caiht aciht
Note: these 'words' (valid or invalid) are all the permutations of the word thica. These words are obtained by scrambling the letters in thica.