-al -ly a-a a-b aaa aab aad aaf aal aau aay ab- aba abb abd abf abl abu aby ad- ada adb add adf adl adu ady af- afa afb afd aff afl afu afy al- ala alb ald alf all alu aly au- aua aub aud auf aul ay- aya ayd ayf ayl ayu b-u baa bab bad baf bal bau bay bba bbb bbd bbf bbl bbu bby bda bdb bdd bdf bdl bdu bdy bfa bfb bfd bff bfl bfu bfy bla blb bld blf bll blu bly bua bub bud buf bul buu buy by- bya byd byf byl byu daa dab dad daf dal dau day dba dbb dbd dbf dbl dbu dby dda ddb ddd ddf ddl ddu ddy dfa dfb dfd dff dfl dfu dl- dla dlb dld dlf dll dlu dly dua dub dud duf dul duy dy- dya dyb dyd dyu dyy faa fab fad faf fal fau fay fba fbb fbd fbf fbl fbu fda fdb fdd fdf fdl fdu ffa ffd fff ffl ffu ffy fla flb fld flf fll flu fly fua fub fud fuf ful fuu fy- fya fyb la- laa lab lad laf lal lau lay lba lbb lbd lbf lbl lbu lda ldb ldd ldf ldl ldu ldy lfa lfb lfd lff lfl lfu lla llb lld llf lll llu lly lua lub lud luf lul luu luy lya lyd lyf lyl ua- uaa uab uad uaf ual uau uay uba ubb ubf ubl ubu uby uda udb udd udf udl udu ufa ufd uff ufl ufu ula ulb uld ulf ull ulu uly uua uuu uyu yaa yab yad yaf yal yau yay ybf ybl yby yda ydl ydy yfa yfd yff yfu yld yll yly yua yud yul yuu yuy yyb yyf yyu yyy