An oligomer combination for detecting a human papillomavirus (HPV) target nucleic acid in a sample suspected of containing HPV type 31 (HPV31) or HPV type 33 (HPV33) and at least one of HPV type 52 (HPV52) and HPV type 58 (HPV58), said oligomer combination comprising: (i) first and second amplification oligomers for specifically amplifying an HPV33 nucleic acid target region, wherein (a) the first HPV33 amplification oligomer comprises a first target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:66 and that includes at least the sequence of SEQ ID NO:67 and SEQ ID NO:68; and (b) the second HPV33 amplification oligomer comprises a second target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:70 and that includes at least the sequence of SEQ ID NO:71 and SEQ ID NO:72; and (ii) first and second amplification oligomers for specifically amplifying an HPV31 nucleic acid target region, wherein (a) the first HPV31 amplification oligomer comprises a first target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:74 and that includes at least the sequence of SEQ ID NO:75 and SEQ ID NO:76; and (b) the second HPV31 amplification oligomer comprises a second target-hybridizing sequence that is from about 15 to about 30 contiguous nucleotides contained in the sequence of SEQ ID NO:78 and that includes at least the sequence of SEQ ID NO:79 and SEQ ID NO:80. (i) first and second amplification oligomers for specifically amplifying an HPV33 nucleic acid target region, wherein (a) the first HPV33 amplification oligomer comprises a first target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:66 and that includes at least the sequence of SEQ ID NO:67 and SEQ ID NO:68; and (b) the second HPV33 amplification oligomer comprises a second target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:70 and that includes at least the sequence of SEQ ID NO:71 and SEQ ID NO:72; and (a) the first HPV33 amplification oligomer comprises a first target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:66 and that includes at least the sequence of SEQ ID NO:67 and SEQ ID NO:68; and (b) the second HPV33 amplification oligomer comprises a second target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:70 and that includes at least the sequence of SEQ ID NO:71 and SEQ ID NO:72; and (ii) first and second amplification oligomers for specifically amplifying an HPV31 nucleic acid target region, wherein (a) the first HPV31 amplification oligomer comprises a first target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:74 and that includes at least the sequence of SEQ ID NO:75 and SEQ ID NO:76; and (b) the second HPV31 amplification oligomer comprises a second target-hybridizing sequence that is from about 15 to about 30 contiguous nucleotides contained in the sequence of SEQ ID NO:78 and that includes at least the sequence of SEQ ID NO:79 and SEQ ID NO:80. (a) the first HPV31 amplification oligomer comprises a first target-hybridizing sequence that is from about 15 to about 27 contiguous nucleotides contained in the sequence of SEQ ID NO:74 and that includes at least the sequence of SEQ ID NO:75 and SEQ ID NO:76; and (b) the second HPV31 amplification oligomer comprises a second target-hybridizing sequence that is from about 15 to about 30 contiguous nucleotides contained in the sequence of SEQ ID NO:78 and that includes at least the sequence of SEQ ID NO:79 and SEQ ID NO:80. <EOS>