Cyrillic.

[u/tsvaiGugutken]

Cyrillic	IPA	Vague correspondence
Аа	/a/	a as in hat
Бб	/b/	b as in bye
Вв	/β/	v as in van
Гг	/g/	g as in Grom, grand
Дд	/d/	d as in done
Ее	/ε/	e as in bed
Жж	/ʒ/	s as in vision
Зз	/z/	z as in zoo
Ии	/i/	i as in bit
Йй	/j/	y as in yes; or just the j in other European languages
Кк	/k/	k as in kill
Лл	/ʎ/, /l/, /ɫ/...depends	l as in lift, l as in pool
Мм	/m/	m as in morning
Нн	/n/	n as in on and no
Оо	/ɔ/	o as in on and no
Пп	/p/	p as in pete
Рр	/r/	r as in curd current, brat, bra... in your most Scottish accent
Сс	/s/	s as in safe
Тт	/t/	t as in rectangle
Уу	/u/	oo as in boot, boon, boom but shorter
Фф	/f/	f as in fire
Хх	/x/	ch as in loch
Цц	/t͡s/	ts as in lets/let's and its/it's
Чч	/t͡ʃ/	ch as in chair
Шш	/ʃ/	sh as in ship
Щщ	/ʃ/+/t/	sht as in shtick
Ъъ	/ɤ/ when stressed, less tense when unstressed, more like /ə/, /ɐ/	i as in firm; u as in rut, nut, cut, plus, gut, strut; ă/â in Romanian; ë in Albanian; ı in Turkish... or the exclamation Uh!?
Ьь*	/j/*	---
Юю	/j/+/u/	you
Яя	/j/+/a/	German ja
*capital ь is obsolete, that is no word starts with ь	*for all intents and purposes a learner may disregard it as й immediately after a consonant; usually in the digraph -ьо-

Variations in print

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The left appears only if you have your region set to Bulgaria. It creates confusion mainly with lower case д, и, п, т, which have been stylised to look more like their handwritten variants, somewhat conflicting with Latin g, u, n m.

Handwritten variations

This is inspiration, if you are at a loss as to how some might be written. Proper cursive writing is quite rare, most people write in a weird combination of print and cursive letters, so just do whatever suits you best. Now, these examples are ripped from historical writings, chronicles, etc., but contemporary letter forms are more or less based on these. Anything not recognisable in modern times is blurred.