English - Phonics and Alphabet - Digraphs (ch, sh, th, wh) - Two Letters, One Sound

Introduce the concept: 'Sometimes TWO letters team up to make ONE new sound!' Present 4 scenarios: (1) 'C says /k/, H says /h/, but together CH says /tʃ/ as in CHAIR!' (2) 'S says /s/, H says /h/, but SH says /ʃ/ as in SHIP!' (3) 'T says /t/, H says /h/, but TH says /θ/ as in THINK!' (4) 'W says /w/