-al -ly -ol a-a a-b aaa aab aal aao aar aax aay ab- aba abb abl abo abr abx aby al- ala alb all alo alr alx aly aoa aob aol aoo aor aox ar- ara arb arl aro arr arx ary ax- axa axl axo axr axx ay- aya ayl ayo ayr ayx baa bab bal bao bar bax bay bba bbb bbl bbo bbr bbx bby bla blb bll blo blr blx bly boa bob bol boo bor box boy bra brb brl bro brr brx bry bxb bxl bxo bxx by- bya byl byo byr la- laa lab lal lao lar lax lay lba lbb lbl lbo lbr lbx lla llb lll llo llr lly loa lob lol loo lor lox loy lra lrb lro lrr lry lxo lxr lxx lya lyl lyo lyr lyx oaa oab oal oao oar oax ob- oba obb obl obo obr obx oby ola olb oll olo oly oo- ooa oob ool ooo oor oox or- ora orb orl oro orr orx ory ox- oxa oxb oxo oxx oxy oya oyl oyo ra- raa rab ral rao rar rax ray rba rbb rbl rbo rbr rbx rla rll rlo rlr rly roa rob rol roo ror rox roy rra rrb rrl rrr rxr ry- rya ryo ryr ryy xaa xal xar xbl xbr xbx xla xlb xlr xoa xoo xor xox xrx xry xxl xxo xxx xxy xyl xyr xyy yaa yab yal yao yar yax yay ybl ybr yby yll ylr yly yob yol yoo yor yox yoy yra yro yxa yxy yyb yyy