split into syllables
	index, length of each
for each syllable
identify
	leading consonant
	leading consonants dipthong
	vowel
	vowel dipthong
	missing vowel
	tone mark
	ending consonant
lookup
	class of leading consonant
	length of vowel
	live or dead
apply rules
	M mid-class live
	L mid-class dead
	L mid-class mai eak
	F mid-class mai toh
	R high-class live
	L high-class dead
	L high-class mai eak
	F high-class mai toh
	M low-class live
	H low-class dead short
	F low-class dead long
	F low-class mai eak
	H low-class mai toh

result: tone, one of five