-al -er -ol a-a a-b a-t aaa aab aae aaf aal aan aao aar aat aau ab- aba abb abe abf abl abn abo abr abt abu aea aeb aee aef ael aen aeo aer aet aeu af- afa afb afe aff afl afn afo afr aft afu al- ala alb ale alf all aln alo alr alt alu an- ana anb ane anf anl ann ano anr ant anu aoa aob aoe aof aol aon aoo aor aot aou ar- ara arb are arf arl arn aro arr art aru at- ata atb ate atf atl atn ato atr att atu au- aua aub aue auf aul aun auo aur aut b-u baa bab bae baf bal ban bao bar bat bau bba bbb bbe bbf bbl bbn bbo bbr bbt bbu be- bea beb bee bef bel ben beo ber bet beu bfa bfb bfe bff bfl bfn bfo bfr bft bfu bla blb ble blf bll bln blo blr blt blu bna bnb bne bnf bnl bnn bno bnr bnt bnu boa bob boe bof bol bon boo bor bot bou bra brb bre brf brl brn bro brr brt bru bta btb bte btf btl btn bto btr btt btu bua bub bue buf bul bun buo bur but buu eaa eab eae eaf eal ean eao ear eat eau eba ebb ebe ebf ebl ebn ebo ebr ebt ebu eea eeb eee eef eel een eeo eer eet ef- efa efb efe eff efl efo efr eft ela elb ele elf ell eln elo elr elt elu en- ena enb ene enf enl enn eno enr ent enu eo- eoa eob eoe eof eol eon eoo eor eot eou era erb ere erf erl ern ero err ert eru eta etb ete etf etl etn eto etr ett etu eu- eua eub eue euf eul eun eur eut faa fab fae faf fal fan fao far fat fau fba fbb fbe fbf fbl fbn fbo fbr fbt fbu fea feb fee fef fel fen feo fer fet feu ffa ffe fff ffl ffn ffo ffr fft ffu fla flb fle flf fll fln flo flr flt flu fna fnb fne fnf fnl fnn fnr fnt fnu foa fob foe fof fol fon foo for fot fou fra frb fre frf frl frn fro frr frt fru fta ftb fte ftf ftl ftn fto ftr ftt ftu fua fub fue fuf ful fun fuo fur fut fuu la- laa lab lae laf lal lan lao lar lat lau lba lbb lbe lbf lbl lbo lbr lbt lbu lea leb lee lef lel len leo ler let leu lfa lfb lfe lff lfl lfn lfo lfr lft lfu lla llb lle llf lll lln llo llr llt llu lna lnb lne lnl lnn lno lnr lnt lnu loa lob loe lof lol lon loo lor lot lou lra lrb lrf lrn lro lrr lrt lru lta ltb lte ltf ltl lto ltr ltt ltu lua lub lue luf lul lun luo lur lut luu naa nab nae naf nal nan nao nar nat nau nba nbb nbe nbf nbl nbn nbo nbr nbt nbu ne- nea neb nee nef nel nen neo ner net neu nfa nfb nfe nff nfl nfn nfo nfr nft nfu nla nlb nle nlf nll nln nlo nlr nlt nlu nna nnb nne nnf nnl nnn nno nnt nnu no- noa nob noe nof nol non noo nor not nou nra nrb nre nrf nrl nrn nro nrr nrt nru nta ntb nte ntf ntn nto ntr ntt ntu nua nub nue nul nun nuo nur nut nuu oaa oab oae oaf oal oan oao oar oat oau ob- oba obb obe obf obl obn obo obr obt obu oea oeb oee oef oel oen oeo oer oet of- ofa ofb ofe off ofl ofn ofo ofr oft ofu ola olb ole olf oll oln olo olt olu on- ona onb one onf onl onn ono onr ont onu oo- ooa oob oof ool oon ooo oor oot or- ora orb ore orf orl orn oro orr ort oru ot- ota otb ote otf otl otn oto otr ott otu ou- oua oue ouf oul oun ouo our out ra- raa rab rae raf ral ran rao rar rat rau rba rbb rbe rbf rbl rbn rbo rbr rbt rbu re- rea reb ree ref rel ren reo rer ret reu rfa rfb rfe rff rfl rfn rfo rfr rft rfu rla rle rlf rll rln rlo rlr rlt rlu rna rnb rnn rno rnr rnt rnu roa rob roe rof rol ron roo ror rot rou rra rrb rrf rrl rrn rrr rrt rru rta rtb rte rtf rtl rtn rto rtr rtt rtu rua rub rue ruf run ruo rur rut ruu taa tab tae taf tal tan tao tar tat tau tba tbb tbe tbf tbl tbn tbo tbr tbt tbu te- tea teb tee tef tel ten teo ter tet teu tfa tfb tfe tff tfl tfn tfo tfr tft tfu tla tle tlf tll tln tlo tlr tlt tlu tna tnb tne tnf tnl tnn tno tnr tnt to- toa tob toe tof tol ton too tor tot tou tra trb tre trf trl trn tro trr trt tru tta ttb tte ttf ttl ttn tto ttr ttt ttu tua tub tue tuf tul tun tuo tur tut tuu ua- uaa uab uae uaf ual uan uao uar uat uau uba ubb ube ubf ubl ubn ubo ubr ubt ubu uea ueb uee uef uel uen uer uet ufa ufe uff ufl ufn ufo ufr uft ufu ula ulb ule ulf ull uln ulo ulr ult ulu un- una unb une unf unl unn uno unr unt unu uoa uob uoe uol uon uoo uor uot ur- ura urb ure urf url urn uro urr urt uru uta utb ute utf utl utn uto utr utt utu uua uue uun uur uut uuu