Surigaonon is a local Philippine language spoken in the province of Surigao del Norte, and some portion of Agusan del Norte especially those towns near the Mainit Lake. It is related to Cebuano.
Surigaonon is spoken in Surigao del Norte and a by few people in Surigao del Sur (Surigaonon language, 2006). It has similar consonant and vowel sounds, stress, intonation patterns to the Cebuano and Boholano languages. Surigaonon underwent certain morphophonemic processes, such as assimilation, deletion, alternation and metathesis (Dumanig, 2005). In the study conducted by Dumanig (2005) on Descriptive Analysis of Surigaonon language it was found that there are 18 consonants (b,d,g,h,j,k,l,m,n,ng,p,r,s,t,w,y,o,?) with 18 sounds and 3 vowels (a,i,u) with 5 sounds. It has also 25 noun clusters (br, bl, bw, by, dr, dy, dw, gr, gw, kr, kl, kw, mw, my, nw, pr, pl, pw, py, sw, sy, tr, tw, ty, hw) and 4 dipthongs (aw, ay, iw, uy), which are similar to the Cebuano language (Rubrico, 1999). There are Surigaonon words that are spelled similarly but they differ in meaning depending on how each syllable is stressed (Dumanig, 2005). Surigaonon language follows two intonation patterns like the rising..... full article at Wikipedia