-al -ly -ol a-a a-b a-c aaa aab aac aal aan aao aar aay ab- aba abb abc abl abn abo abr aby ac- aca acb acc acl acn aco acr acy al- ala alb alc all aln alo alr aly an- ana anb anc anl ann ano anr any aoa aob aoc aol aon aoo aor ar- ara arb arc arl arn aro arr ary ay- aya ayc ayl ayn ayo ayr baa bab bac bal ban bao bar bay bba bbb bbc bbl bbn bbo bbr bby bca bcb bcc bcl bcn bco bcr bcy bla blb blc bll bln blo blr bly bna bnb bnc bnl bnn bno bnr boa bob boc bol bon boo bor boy bra brb brl brn bro brr bry by- bya byc byl byn byo byr c-- caa cab cac cal can cao car cay cba cbb cbc cbl cbn cbo cbr cby cca ccb ccc ccl ccn cco ccr cl- cla clb clc cll cln clo clr cly cn- cna cnb cnc cnl cnn cno cnr cny co- coa cob coc col con coo cor coy cra crb crc crl crn cro crr cry cya cyb cyc cyl cyn cyo cyr la- laa lab lac lal lan lao lar lay lba lbb lbc lbl lbo lbr lca lcb lcc lcl lcn lco lcr lcy lla llb llc lll lln llo llr lly lna lnb lnc lnl lnn lno lnr loa lob loc lol lon loo lor loy lra lrb lrc lrn lro lrr lry lya lyc lyl lyn lyo lyr naa nab nac nal nan nao nar nay nba nbb nbc nbl nbn nbo nbr nca ncb ncc ncl ncn nco ncr nla nlb nlc nll nln nlo nlr nly nna nnb nnc nnl nnn nno no- noa nob noc nol non noo nor noy nra nrb nrc nrl nrn nro nrr nry nya nyc nyl nyn nyo nyy oaa oab oac oal oan oao oar ob- oba obb obc obl obn obo obr oby oc- oca ocb occ ocl ocn oco ocr ola olb olc oll oln olo oly on- ona onb onc onl onn ono onr ony oo- ooa oob ooc ool oon ooo oor or- ora orb orc orl orn oro orr ory oya oyl oyo ra- raa rab rac ral ran rao rar ray rba rbb rbc rbl rbn rbo rbr rca rcb rcc rcl rcn rco rcr rla rlc rll rln rlo rlr rly rna rnb rnc rnn rno rnr rny roa rob roc rol ron roo ror roy rra rrb rrc rrl rrn rrr ry- rya ryc ryn ryo ryr ryy yaa yab yac yal yan yao yar yay ybc ybl ybr yby yca ycc ycl yco ycy ylc yll ylr yly yna ynn yny yob yoc yol yon yoo yor yoy yra yrc yrn yro yyb yyc yyy