| Share |   Phrase | 
| 17.10% |   butane   vapor | 
| 12.63% |   butane   cbu | 
| 9.47% |   butane   pgin | 
| 6.84% |   butane  [location] accomplish | 
| 5.84% |   butane   mass | 
| 5.46% |   drawn-in  butane  | 
| 5.46% |   butane  [does] mass-calculating | 
| 4.83% |   butane   gas | 
| 4.77% |   fuel [is] butane  | 
| 3.74% |   butane   calculation | 
| 3.63% |   butane   iron | 
| 2.71% |   butane  like fuel | 
| 2.21% |   butane  [does] power | 
| 2.19% |   purge butane  [perform operation] | 
| 1.97% |   butane   fuel | 
| 1.68% |   include butane  [perform operation] | 
| 1.65% |   ignite butane  [perform operation] | 
| 1.36% |   contain butane  [perform operation] | 
| 1.31% |   use butane  [perform operation] | 
| 1.30% |   butane   show | 
| 1.28% |   liquid [state] butane  | 
| 1.01% |   employ butane  [perform operation] | 
| 0.97% |   butane  [does] take | 
| 0.49% |   have butane  [perform operation] |