-al -er -ol a-a a-b a-c a-t aaa aab aac aae aaf aal aan aao aar aat aau ab- aba abb abc abe abf abl abn abo abr abt abu ac- aca acb acc ace acf acl acn aco acr act acu aea aeb aec aee aef ael aen aeo aer aet aeu af- afa afb afc afe aff afl afn afo afr aft afu al- ala alb alc ale alf all aln alo alr alt alu an- ana anb anc ane anf anl ann ano anr ant anu aoa aob aoc aoe aof aol aon aoo aor aot aou ar- ara arb arc are arf arl arn aro arr art aru at- ata atb atc ate atf atl atn ato atr att atu au- aua aub auc aue auf aul aun auo aur aut b-u baa bab bac bae baf bal ban bao bar bat bau bba bbb bbc bbe bbf bbl bbn bbo bbr bbt bbu bca bcb bcc bce bcf bcl bcn bco bcr bct bcu be- bea beb bec bee bef bel ben beo ber bet beu bfa bfb bfc bfe bff bfl bfn bfo bfr bft bfu bla blb blc ble blf bll bln blo blr blt blu bna bnb bnc bne bnf bnl bnn bno bnr bnt bnu boa bob boc boe bof bol bon boo bor bot bou bra brb bre brf brl brn bro brr brt bru bta btb btc bte btf btl btn bto btr btt btu bua bub buc bue buf bul bun buo bur but buu c-- caa cab cac cae caf cal can cao car cat cau cba cbb cbc cbe cbf cbl cbn cbo cbr cbt cbu cca ccb ccc cce ccf ccl ccn cco ccr cct ccu ce- cea ceb cec cee cef cel cen ceo cer cet ceu cfa cfb cfc cfe cff cfl cfn cfo cfr cft cfu cl- cla clb clc cle clf cll cln clo clr clt clu cn- cna cnb cnc cne cnf cnl cnn cno cnr cnt cnu co- coa cob coc coe cof col con coo cor cot cou cra crb crc cre crf crl crn cro crr crt cru cta ctb ctc cte ctf ctl ctn cto ctr ctt ctu cua cub cuc cue cuf cul cun cuo cur cut cuu eaa eab eac eae eaf eal ean eao ear eat eau eba ebb ebc ebe ebf ebl ebn ebo ebr ebt ebu ec- eca ecb ecc ece ecf ecl ecn eco ecr ect ecu eea eeb eec eee eef eel een eeo eer eet ef- efa efb efc efe eff efl efo efr eft ela elb elc ele elf ell eln elo elr elt elu en- ena enb enc ene enf enl enn eno enr ent enu eo- eoa eob eoc eoe eof eol eon eoo eor eot eou era erb erc ere erf erl ern ero err ert eru eta etb etc ete etf etl etn eto etr ett etu eu- eua eub euc eue euf eul eun eur eut faa fab fac fae faf fal fan fao far fat fau fba fbb fbc fbe fbf fbl fbn fbo fbr fbt fbu fca fcb fcc fce fcf fcl fcn fco fcr fct fcu fea feb fec fee fef fel fen feo fer fet feu ffa ffc ffe fff ffl ffn ffo ffr fft ffu fla flb flc fle flf fll fln flo flr flt flu fna fnb fnc fne fnf fnl fnn fnr fnt fnu foa fob foc foe fof fol fon foo for fot fou fra frb frc fre frf frl frn fro frr frt fru fta ftb ftc fte ftf ftl ftn fto ftr ftt ftu fua fub fue fuf ful fun fuo fur fut fuu la- laa lab lac lae laf lal lan lao lar lat lau lba lbb lbc lbe lbf lbl lbo lbr lbt lbu lca lcb lcc lce lcf lcl lcn lco lcr lct lcu lea leb lec lee lef lel len leo ler let leu lfa lfb lfc lfe lff lfl lfn lfo lfr lft lfu lla llb llc lle llf lll lln llo llr llt llu lna lnb lnc lne lnl lnn lno lnr lnt lnu loa lob loc loe lof lol lon loo lor lot lou lra lrb lrc lrf lrn lro lrr lrt lru lta ltb ltc lte ltf ltl lto ltr ltt ltu lua lub luc lue luf lul lun luo lur lut luu naa nab nac nae naf nal nan nao nar nat nau nba nbb nbc nbe nbf nbl nbn nbo nbr nbt nbu nca ncb ncc nce ncf ncl ncn nco ncr nct ncu ne- nea neb nec nee nef nel nen neo ner net neu nfa nfb nfc nfe nff nfl nfn nfo nfr nft nfu nla nlb nlc nle nlf nll nln nlo nlr nlt nlu nna nnb nnc nne nnf nnl nnn nno nnt nnu no- noa nob noc noe nof nol non noo nor not nou nra nrb nrc nre nrf nrl nrn nro nrr nrt nru nta ntb ntc nte ntf ntn nto ntr ntt ntu nua nub nuc nue nul nun nuo nur nut nuu oaa oab oac oae oaf oal oan oao oar oat oau ob- oba obb obc obe obf obl obn obo obr obt obu oc- oca ocb occ ocf ocl ocn oco ocr oct ocu oea oeb oec oee oef oel oen oeo oer oet of- ofa ofb ofc ofe off ofl ofn ofo ofr oft ofu ola olb olc ole olf oll oln olo olt olu on- ona onb onc one onf onl onn ono onr ont onu oo- ooa oob ooc oof ool oon ooo oor oot or- ora orb orc ore orf orl orn oro orr ort oru ot- ota otb otc ote otf otl otn oto otr ott otu ou- oua ouc oue ouf oul oun ouo our out ra- raa rab rac rae raf ral ran rao rar rat rau rba rbb rbc rbe rbf rbl rbn