Double Consonants
Ch
choj (bridge)
http://kfn.ksp.or.jp/~yuuko/climbing/report/yosemite1-2.html
CH
DH
DL
HL
HM
HN
KH
ML
NC
NK
NP
NQ
NR
NT
NY
PH
PL
QH
RH
TH
TS
TX
XY
