a-a a-i aaa aad aai aao aas aax ad- ada add adi ado ads adx ai- aia aid aii aio ais aix aoa aod aoi aoo aos aox as- asa asd asi aso ass asx ax- axa axi axo axs axx daa dad dai dao das dax dda ddd ddi ddo dds ddx di- dia did dii dio dis dix doa dod doi doo dos dox dsa dsd dsi dso dss dsx dxd dxi dxo dxs dxx i-d ia- iaa iad iai iao ias ida idd idi ido ids idx iia iid iii iio iis iix io- ioa iod ioi ioo ios is- isa isd isi iso iss ixi o-i oaa oad oai oao oas oax oda odd odi odo ods oia oid oii oio ois oo- ooa ood ooi ooo oos oox os- osa osd osi oso oss osx ox- oxa oxi oxo oxx saa sad sai sao sas sax sda sdd sdi sdo sds sia sid sii sio sis six soa sod soi soo sos sox ss- ssa ssd ssi sso sss ssx sxi sxs xaa xad xas xda xdi xds xia xii xio xis xix xoa xod xoi xoo xos xox xsa xsi xss xxi xxo xxx