-al -ly -ol a-a a-b aaa aab aaf aal aao aar aav aay ab- aba abb abf abl abo abr abv aby af- afa afb aff afl afo afr afv afy al- ala alb alf all alo alr alv aly aoa aob aof aol aoo aor aov ar- ara arb arf arl aro arr arv ary av- ava avb avf avl avo avr avy ay- aya ayf ayl ayo ayr baa bab baf bal bao bar bav bay bba bbb bbf bbl bbo bbr bby bfa bfb bff bfl bfo bfr bfv bfy bla blb blf bll blo blr blv bly boa bob bof bol boo bor bov boy bra brb brf brl bro brr brv bry bva bvb bvl bvo bvr bvv by- bya byf byl byo byr faa fab faf fal fao far fav fay fba fbb fbf fbl fbo fbr ffa fff ffl ffo ffr ffv ffy fla flb flf fll flo flr fly foa fob fof fol foo for foy fra frb frf frl fro frr fry fva fy- fya fyb fyo la- laa lab laf lal lao lar lav lay lba lbb lbf lbl lbo lbr lbv lfa lfb lff lfl lfo lfr lla llb llf lll llo llr llv lly loa lob lof lol loo lor lov loy lra lrb lrf lro lrr lrv lry lva lvb lvf lvl lvr lvv lya lyf lyl lyo lyr oaa oab oaf oal oao oar oav ob- oba obb obf obl obo obr obv oby of- ofa ofb off ofl ofo ofr ofv ola olb olf oll olo oly oo- ooa oob oof ool ooo oor oov or- ora orb orf orl oro orr orv ory ov- ova ovb ovf ovl ovo ovv oya oyl oyo ra- raa rab raf ral rao rar rav ray rba rbb rbf rbl rbo rbr rfa rfb rff rfl rfo rfr rfv rla rlf rll rlo rlr rly roa rob rof rol roo ror rov roy rra rrb rrf rrl rrr rva rvb rvf rvl rvo rvr rvv rvy ry- rya ryf ryo ryr ryy v-a vaa vab val vao var vav vay vba vbl vbo vbr vbv vfa vfb vff vfl vfr vfv vl- vla vlb vlf vll vlo vlv vly voa vob vof vol voo vor vov voy vra vrb vrf vrr vry vva vvb vvo vvr vvv vyf vyl yaa yab yaf yal yao yar yav yay ybf ybl ybr yby yfa yff yfr yll ylr yly yob yof yol yoo yor yoy yra yrf yro yva yvo yvr yvy yyb yyf yyy