本の[honno] mere
異本[ihon] different edition
一坪本社[hitotsubohonsha] small company headquarters located in Tokyo simply for name value
一本[ippon] one long cylindrical thing
一本気[ippongi] single-minded (esp. personality or person)

一本橋[ipponbashi] (a) log bridge
一本建て[ippondate] (a) single standard
一本松[ipponmatsu] solitary pine tree
一本杉[ipponsugi] (a) solitary cryptomeria tree
一本槍[ipponyari] guiding principle

只管[hitasura] nothing but
ブラウン管[buraunkan] cathode-ray tube
為替管理[kawasekanri] exchange control
移管[ikan] transfer of control
一管[ikkan] one flute

陰極線管[inkyokusenkan] cathode-ray tube
烟管[enkan] kiseru
煙管[kiseru] (tobacco) pipe with metal tipped stem
鉛管[enkan] lead pipe
下水管[gesuikan] sewer pipe