-al -ly -ol a-a a-b a-c aaa aab aac aal aao aar aax aay ab- aba abb abc abl abo abr abx aby ac- aca acb acc acl aco acr acx acy al- ala alb alc all alo alr alx aly aoa aob aoc aol aoo aor aox ar- ara arb arc arl aro arr arx ary ax- axa axl axo axr axx ay- aya ayc ayl ayo ayr ayx baa bab bac bal bao bar bax bay bba bbb bbc bbl bbo bbr bbx bby bca bcb bcc bcl bco bcr bcx bcy bla blb blc bll blo blr blx bly boa bob boc bol boo bor box boy bra brb brl bro brr brx bry bxb bxl bxo bxx by- bya byc byl byo byr c-- caa cab cac cal cao car cax cay cba cbb cbc cbl cbo cbr cbx cby cca ccb ccc ccl cco ccr ccx cl- cla clb clc cll clo clr clx cly co- coa cob coc col coo cor cox coy cra crb crc crl cro crr crx cry cxc cxl cxo cxr cxx cya cyb cyc cyl cyo cyr la- laa lab lac lal lao lar lax lay lba lbb lbc lbl lbo lbr lbx lca lcb lcc lcl lco lcr lcx lcy lla llb llc lll llo llr lly loa lob loc lol loo lor lox loy lra lrb lrc lro lrr lry lxc lxo lxr lxx lya lyc lyl lyo lyr lyx oaa oab oac oal oao oar oax ob- oba obb obc obl obo obr obx oby oc- oca ocb occ ocl oco ocr ocx ola olb olc oll olo oly oo- ooa oob ooc ool ooo oor oox or- ora orb orc orl oro orr orx ory ox- oxa oxb oxc oxo oxx oxy oya oyl oyo ra- raa rab rac ral rao rar rax ray rba rbb rbc rbl rbo rbr rbx rca rcb rcc rcl rco rcr rcx rla rlc rll rlo rlr rly roa rob roc rol roo ror rox roy rra rrb rrc rrl rrr rxr ry- rya ryc ryo ryr ryy xaa xac xal xar xbc xbl xbr xbx xcb xcl xcr xcx xla xlb xlr xoa xoc xoo xor xox xrc xrx xry xxl xxo xxx xxy xyl xyr xyy yaa yab yac yal yao yar yax yay ybc ybl ybr yby yca ycc ycl yco ycy ylc yll ylr yly yob yoc yol yoo yor yox yoy yra yrc yro yxa yxy yyb yyc yyy