a-a a-i aaa aah aai aao aas aax aha ahh ahi aho ahs ahx ai- aia aih aii aio ais aix aoa aoh aoi aoo aos aox as- asa ash asi aso ass asx ax- axa axh axi axo axs axx h-i haa hah hai hao has hax hha hhh hhi hho hhs hia hih hii hio his hix hoa hoh hoi hoo hos hox hsa hsh hsi hss hsx ia- iaa iah iai iao ias iha ihh ihi iho ihs iia iih iii iio iis iix io- ioa ioh ioi ioo ios is- isa ish isi iso iss ixi o-i oaa oah oai oao oas oax oha ohh ohi oho ohs oia oii oio ois oo- ooa ooh ooi ooo oos oox os- osa osh osi oso oss osx ox- oxa oxi oxo oxx saa sah sai sao sas sax sh- sha shh shi sho shs sia sih sii sio sis six soa soh soi soo sos sox ss- ssa ssh ssi sso sss ssx sxi sxs xaa xas xia xii xio xis xix xoa xoi xoo xos xox xsa xsi xss xxi xxo xxx