-al -ly a-a a-b aaa aab aaf aal aau aay ab- aba abb abf abl abu aby af- afa afb aff afl afu afy al- ala alb alf all alu aly au- aua aub auf aul ay- aya ayf ayl ayu b-u baa bab baf bal bau bay bba bbb bbf bbl bbu bby bfa bfb bff bfl bfu bfy bla blb blf bll blu bly bua bub buf bul buu buy by- bya byf byl byu faa fab faf fal fau fay fba fbb fbf fbl fbu ffa fff ffl ffu ffy fla flb flf fll flu fly fua fub fuf ful fuu fy- fya fyb la- laa lab laf lal lau lay lba lbb lbf lbl lbu lfa lfb lff lfl lfu lla llb llf lll llu lly lua lub luf lul luu luy lya lyf lyl ua- uaa uab uaf ual uau uay uba ubb ubf ubl ubu uby ufa uff ufl ufu ula ulb ulf ull ulu uly uua uuu uyu yaa yab yaf yal yau yay ybf ybl yby yfa yff yfu yll yly yua yul yuu yuy yyb yyf yyu yyy