Taiyo rhymes with:
alejo, araujo, arguijo, armijo, benigno, benyo, camejo, cornejo, cutugno, delgadio, el-nino, espejo, franyo, gonyo, imbroglio, intaglio, jalapeno, kangyo, kogyo, marmolejo, marrujo, montijo, naranjo, nokyo, sangyo, sankyo, santoyo, sanyo, shinrikyo, takihyo, tamayo, toyo, trejo, vallejo, vanyo, yorio, yoyo
Taiyo sounds like:
t, t., ta, tad, tada, tadd, taddei, taddeo, taddy, tae, taewoo, tahiti, tahoe, tai, tait, taite, taitt, tao, tat, tata, tate, tateho, tattoo, tattooed, tatty, tatu, taut, tay, te, tea, teat, teate, ted, teddie, teddy, tee, teed, teet, teeth, teethe, teo, tet, teta, tete, teti, tew, th, thad, thada, thadda, thaddea, thai, thao, that, that'd, thau, thaw, thawed, the, thea, theda, thede, thee, theo, theta, thew, they, they'd, thi, thiede, tho, thode, thou, thud, thuot, thuy, thweatt, thy, ti, tia, tidd, tide, tidy, tie, tied, tiede, tiedt, tieu, tit, tita, tithe, tito, to, toa, toad, tod, toda, today, todd, todt, toe, toed, toity, too, toohey, toot, toote, tooth, toothed, toothy, tot, tota, tote, toted, toth, toti, toto, totty, touhey, tout, touted, tow, towe, towed, towey, toy, toya, toye, toyed, toyo, toyoda, toyoo, toyota, tu, tude, tue, tuite, tuohey, tuohy, tut, tutt, tutti, tutu, twedt, tweed, tweedie, tweedy, tweet, twiddy, twite, twitty, two, ty, tye, tyo