Gulf Arabic Grammar
...G.2.1. Definite Article ...G.2.2 Personal Pronouns ...G.2.3 Possessive Pronouns ...G.2.4. Possessives with maal- ...G.2.5 Commands and Requests ...G.2.6 Broken Plural ...G.2.7 Plural -aat ...G.2.8 Plural -iin ...G.2.9 Plural -iyya ...G.3.1 The Construct State - iDaafat ...G.3.2 The Dual Form ...G.3.3 Adjectives ...G.3.4 Personal Pronoun Suffixes ...G.3.5 Prepositions ...G.3.6 To Have, 3ind- ...G.3.7 Past Tense I ...G.4.1 More on Adjectives ...G.4.2 Comparison Forms ...G.4.3 Numbers: Cardinals and Ordinals ...G.4.4 Telling the Time ...G.4.5 Question Words ...G.4.6 This, That, These (Demonstrative Pronouns) ...G.4.7 Past Tense II

Gulf Arabic Grammar -

This, that, these, those (Demonstrative Pronouns)

haadha - this (masc.)
hadhaak, dhaak - that (masc.)

haadhi - this (fem.)
hadhiich, dhiich - that (fem.)

hadhaylayn, dhaylayn, hadhool, dhoola - these
hadheylaak, dheylaak, hadhoolak - those

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haadhi il-mi7faDHa – this wallet
il-miHfaDHa dhi - {same as above}

hadhiich il-mi7faDHa – that wallet
il-mi7faDHa dhiich - {same as above}

hadhoolak il-muqaawiliin – those contractors
il-muqaawiliin dhoolak - {same as above}

You cannot form "ir-rayyaal dha" from "haadha-r-rayyaal" becasue haadha is masculine! Only fem. and plural.

All of the above could be substituted by ha-, for example:
ha-l-mi7faDHa – this wallet
ha-l-ayyaam – these days