-al -er -ol a-a a-b aaa aab aae aaf aag aal aan aao aar aau ab- aba abb abe abf abg abl abn abo abr abu aea aeb aee aef aeg ael aen aeo aer aeu af- afa afb afe aff afg afl afn afo afr afu ag- aga agb age agf agg agl agn ago agr agu al- ala alb ale alf alg all aln alo alr alu an- ana anb ane anf ang anl ann ano anr anu aoa aob aoe aof aog aol aon aoo aor aou ar- ara arb are arf arg arl arn aro arr aru au- aua aub aue auf aug aul aun auo aur b-u baa bab bae baf bag bal ban bao bar bau bba bbb bbe bbf bbg bbl bbn bbo bbr bbu be- bea beb bee bef beg bel ben beo ber beu bfa bfb bfe bff bfg bfl bfn bfo bfr bfu bga bgb bge bgf bgg bgl bgn bgo bgr bgu bla blb ble blf blg bll bln blo blr blu bna bnb bne bnf bng bnl bnn bno bnr bnu boa bob boe bof bog bol bon boo bor bou bra brb bre brf brg brl brn bro brr bru bua bub bue buf bug bul bun buo bur buu eaa eab eae eaf eag eal ean eao ear eau eba ebb ebe ebf ebg ebl ebn ebo ebr ebu eea eeb eee eef eeg eel een eeo eer ef- efa efb efe eff efg efl efo efr ega egb ege egf egg egl egn ego egr egu ela elb ele elf elg ell eln elo elr elu en- ena enb ene enf eng enl enn eno enr enu eo- eoa eob eoe eof eog eol eon eoo eor eou era erb ere erf erg erl ern ero err eru eu- eua eub eue euf eug eul eun eur faa fab fae faf fag fal fan fao far fau fba fbb fbe fbf fbg fbl fbn fbo fbr fbu fea feb fee fef feg fel fen feo fer feu ffa ffe fff ffg ffl ffn ffo ffr ffu fga fgb fge fgf fgg fgl fgn fgr fla flb fle flf flg fll fln flo flr flu fna fnb fne fnf fng fnl fnn fnr fnu foa fob foe fof fog fol fon foo for fou fra frb fre frf frg frl frn fro frr fru fua fub fue fuf fug ful fun fuo fur fuu gaa gab gae gaf gag gal gan gao gar gau gba gbe gbf gbg gbl gbn gbo gbr gbu ge- gea geb gee gef geg gel gen geo ger geu gfa gfb gfe gff gfl gfo gfr gga ggb ggg ggn ggo ggr ggu gla glb gle glf glg gll gln glo glr glu gna gnb gne gnf gnl gnn gno gnr gnu goa gob goe gof gog gol gon goo gor gou gra grb gre grf grg grl grn gro grr gru gu- gua gub gue guf gug gul gun guo gur guu la- laa lab lae laf lag lal lan lao lar lau lba lbb lbe lbf lbg lbl lbo lbr lbu lea leb lee lef leg lel len leo ler leu lfa lfb lfe lff lfg lfl lfn lfo lfr lfu lga lgb lge lgf lgg lgl lgn lgo lgr lgu lla llb lle llf llg lll lln llo llr llu lna lnb lne lng lnl lnn lno lnr lnu loa lob loe lof log lol lon loo lor lou lra lrb lrf lrg lrn lro lrr lru lua lub lue luf lug lul lun luo lur luu naa nab nae naf nag nal nan nao nar nau nba nbb nbe nbf nbg nbl nbn nbo nbr nbu ne- nea neb nee nef neg nel nen neo ner neu nfa nfb nfe nff nfl nfn nfo nfr nfu nga ngb nge ngf ngg ngl ngn ngo ngu nla nlb nle nlf nlg nll nln nlo nlr nlu nna nnb nne nnf nng nnl nnn nno nnu no- noa nob noe nof nog nol non noo nor nou nra nrb nre nrf nrg nrl nrn nro nrr nru nua nub nue nug nul nun nuo nur nuu oaa oab oae oaf oag oal oan oao oar oau ob- oba obb obe obf obg obl obn obo obr obu oea oeb oee oef oeg oel oen oeo oer of- ofa ofb ofe off ofg ofl ofn ofo ofr ofu oga oge ogf ogg ogl ogn ogo ola olb ole olf olg oll oln olo olu on- ona onb one onf ong onl onn ono onr onu oo- ooa oob oof oog ool oon ooo oor or- ora orb ore orf org orl orn oro orr oru ou- oua oue ouf oul oun ouo our ra- raa rab rae raf rag ral ran rao rar rau rba rbb rbe rbf rbg rbl rbn rbo rbr rbu re- rea reb ree ref reg rel ren reo rer reu rfa rfb rfe rff rfg rfl rfn rfo rfr rfu rga rgb rge rgf rgg rgn rgo rgr rla rle rlf rlg rll rln rlo rlr rlu rna rnb rng rnn rno rnr rnu roa rob roe rof rog rol ron roo ror rou rra rrb rrf rrg rrl rrn rrr rru rua rub rue ruf rug run ruo rur ruu ua- uaa uab uae uaf uag ual uan uao uar uau uba ubb ube ubf ubg ubl ubn ubo ubr ubu uea ueb uee uef ueg uel uen uer ufa ufe uff ufg ufl ufn ufo ufr ufu uga ugb uge ugf ugg ugl ugn ugo ugr ugu ula ulb ule ulf ulg ull uln ulo ulr ulu un- una unb une unf ung unl unn uno unr unu uoa uob uoe uog uol uon uoo uor ur- ura urb ure urf urg url urn uro urr uru uua uue uug uun uur uuu