Devanagari scriptतेषामेकयोगाश्चत्वारस्त्रियोगाश्च द्वियोगाः षट् एकश्चतुर्योगः ॥ कZ_०९.७.७७ ॥
Transliterationteṣāmekayogāścatvārastriyogāśca dviyogāḥ ṣaṭ ekaścaturyogaḥ
Translationतेषाम् एकयोगाः चत्वारः, त्रियोगाः चत्वारः, द्वियोगाः षट्, चतुर्योगः एकः।
Word by Wordतेषाम्of them / among those एकयोगाःthose having one linkage/unit (one-yoga groups) त्रियोगाःthose having three linkages/units (three-yoga groups) द्वियोगाःthose having two linkages/units (two-yoga groups) चतुर्योगःone having four linkages/units (a four-yoga group) 
Entities MentionedU
upāya (implicitly the four: sāntva, dāna, bheda, daṇḍa) FAQs
From four tools: singles = 4; pairs = 6; triples = 4; all four together = 1, totaling 15 distinct applications.