Four-Button Keyboard Keystroke Reference
The key to fast typing is not looking at the keyboard. Similarly, the key to typing fast with Four-Button Keyboard is not looking at the buttons you're pressing or, especially, the status bar at the bottom of the screen. Like you've trained your fingers to hit the right keys on a keyboard, you must train your fingers to hit the right sequence of buttons. The four buttons of the Four-Button Keyboard are referred to with the letters a, b, c, and d. Here are the button sequences for all ISO Latin 1 characters.
Control Characters Accents (ddcdd) Int'l Punct (ddcdddd) Space db Tab ddcddcbcda ¡ ddcdddda Backspace dc Vertical Tab ddcddcbcdb Grave (ddcdda) ¿ ddcddddb Newline ddd Carriage Return ddcddcbcdc À ddcddaaa à ddcddaab « ddcddddc Delete ddcddcbcdd È ddcddaac è ddcddaad » ddcddddd Ì ddcddaba ì ddcddabb Letters Punctuation (ddb) Ò ddcddabc ò ddcddabd Other Symbols (ddcdddc) A aaa a aab . ddbaa Ù ddcddaca ù ddcddacb ß ddcdddca B aac b aad , ddbab Eth ddcddada eth ddcddadb § ddcdddcb C aba c abb ! ddbac Thorn ddcddadc thorn ddcddadd ® ddcdddcc D abc d abd ? ddbad © ddcdddcd E aca e acb : ddbba Acute (ddcddb) F acc f acd ; ddbbb Á ddcddbaa á ddcddbab Punct Ext (ddcddcd) G ada g adb ' ddbbc É ddcddbac é ddcddbad · ddcddcdca H adc h add " ddbbd Í ddcddbba í ddcddbbb ¶ ddcddcdcb I baa i bab - ddbca Ó ddcddbbc ó ddcddbbd ¯ ddcddcdcc J bac j bad / ddbcb Ú ddcddbca ú ddcddbcb - ddcddcdcd K bba k bbb ( ddbcc Y ddcddbcc y ddcddbcd € ddcddcdda L bbc l bbd ) ddbcd Eth ddcddbda eth ddcddbdb µ ddcddcddb M bca m bcb [ ddbda Thorn ddcddbdc thorn ddcddbdd º ddcddcddc N bcc n bcd ] ddbdb ª ddcddcddd O bda o bdb { ddbdc Dieresis (ddcddca) P bdc p bdd } ddbdd Ä ddcddcaaa ä ddcddcaab Accent Ext (ddcddcbcc) Q caa q cab Ë ddcddcaac ë ddcddcaad ¸ ddcddcbcca R cac r cad Symbols (ddc) Ï ddcddcaba ï ddcddcabb ¯ ddcddcbccb S cba s cbb + ddcaa Ö ddcddcabc ö ddcddcabd ° ddcddcbccc T cbc t cbd - ddcab Ü ddcddcaca ü ddcddcacb · ddcddcbccd U cca u ccb * ddcac ÿ ddcddcacd V ccc v ccd ^ ddcad Eth ddcddcada eth ddcddcadb Numeric Mode W cda w cdb @ ddcba Thorn ddcddcadc thorn ddcddcadd Backspace dc X cdc x cdd # ddcbb Enter dd Y daa y dab % ddcbc Circumflex (ddcddcb) 0 aa Z dac z dad & ddcbd  ddcddcbaa â ddcddcbab 1 ab < ddcdaa Ê ddcddcbac ê ddcddcbad 2 ac Numbers (dda) Currency (ddcc) > ddcdab Î ddcddcbba î ddcddcbbb 3 ad 0 ddaaa $ ddcca = ddcdac Ô ddcddcbbc ô ddcddcbbd 4 ba 1 ddaab ¢ ddccb ± ddcdad Û ddcddcbca û ddcddcbcb 5 bb 2 ddaac £ ddccc / ddcdba Eth ddcddcbda eth ddcddcbdb 6 bc 3 ddaad ¥ ddccd \ ddcdbb Thorn ddcddcbdc thorn ddcddcbdd 7 bd 4 ddaba | ddcdbc 8 ca 5 ddabb Superscripts (ddcddacc) _ ddcdbd Tilde (ddcddcc) 9 cb 6 ddabc 0 ddcddacca ~ ddcdca à ddcddcca ã ddcddccb . cc 7 ddabd 1 ddcddaccb ` ddcdcb Õ ddcddccc õ ddcddccd - cd 8 ddaca 2 ddcddaccc ´ ddcdcc Ñ ddcdddba ñ ddcdddbb E daa 9 ddacb 3 ddcddaccd ¨ ddcdcd . dab A ddacc Other Accents (ddcddd) + dac B ddacd Fractions (ddcddacd) Math Ext (ddcddcacc) Å ddcdddaa å ddcdddab - dad C ddada 1/4 ddcddacda x ddcddcacca Ç ddcdddac ç ddcdddad + dba D ddadb 1/2 ddcddacdb ÷ ddcddcaccb Ñ ddcdddba ñ ddcdddbb * dbb E ddadc 3/4 ddcddacdc | ddcddcaccc Ø ddcdddbc ø ddcdddbd / dbc F ddadd · ddcddacdd ¬ ddcddcaccd Æ ddcddcda æ ddcddcdb ^ dbd