-al -er -ol a-a a-b aaa aab aae aag aal aan aao aar aau ab- aba abb abe abg abl abn abo abr abu aea aeb aee aeg ael aen aeo aer aeu ag- aga agb age agg agl agn ago agr agu al- ala alb ale alg all aln alo alr alu an- ana anb ane ang anl ann ano anr anu aoa aob aoe aog aol aon aoo aor aou ar- ara arb are arg arl arn aro arr aru au- aua aub aue aug aul aun auo aur b-u baa bab bae bag bal ban bao bar bau bba bbb bbe bbg bbl bbn bbo bbr bbu be- bea beb bee beg bel ben beo ber beu bga bgb bge bgg bgl bgn bgo bgr bgu bla blb ble blg bll bln blo blr blu bna bnb bne bng bnl bnn bno bnr bnu boa bob boe bog bol bon boo bor bou bra brb bre brg brl brn bro brr bru bua bub bue bug bul bun buo bur buu eaa eab eae eag eal ean eao ear eau eba ebb ebe ebg ebl ebn ebo ebr ebu eea eeb eee eeg eel een eeo eer ega egb ege egg egl egn ego egr egu ela elb ele elg ell eln elo elr elu en- ena enb ene eng enl enn eno enr enu eo- eoa eob eoe eog eol eon eoo eor eou era erb ere erg erl ern ero err eru eu- eua eub eue eug eul eun eur gaa gab gae gag gal gan gao gar gau gba gbe gbg gbl gbn gbo gbr gbu ge- gea geb gee geg gel gen geo ger geu gga ggb ggg ggn ggo ggr ggu gla glb gle glg gll gln glo glr glu gna gnb gne gnl gnn gno gnr gnu goa gob goe gog gol gon goo gor gou gra grb gre grg grl grn gro grr gru gu- gua gub gue gug gul gun guo gur guu la- laa lab lae lag lal lan lao lar lau lba lbb lbe lbg lbl lbo lbr lbu lea leb lee leg lel len leo ler leu lga lgb lge lgg lgl lgn lgo lgr lgu lla llb lle llg lll lln llo llr llu lna lnb lne lng lnl lnn lno lnr lnu loa lob loe log lol lon loo lor lou lra lrb lrg lrn lro lrr lru lua lub lue lug lul lun luo lur luu naa nab nae nag nal nan nao nar nau nba nbb nbe nbg nbl nbn nbo nbr nbu ne- nea neb nee neg nel nen neo ner neu nga ngb nge ngg ngl ngn ngo ngu nla nlb nle nlg nll nln nlo nlr nlu nna nnb nne nng nnl nnn nno nnu no- noa nob noe nog nol non noo nor nou nra nrb nre nrg nrl nrn nro nrr nru nua nub nue nug nul nun nuo nur nuu oaa oab oae oag oal oan oao oar oau ob- oba obb obe obg obl obn obo obr obu oea oeb oee oeg oel oen oeo oer oga oge ogg ogl ogn ogo ola olb ole olg oll oln olo olu on- ona onb one ong onl onn ono onr onu oo- ooa oob oog ool oon ooo oor or- ora orb ore org orl orn oro orr oru ou- oua oue oul oun ouo our ra- raa rab rae rag ral ran rao rar rau rba rbb rbe rbg rbl rbn rbo rbr rbu re- rea reb ree reg rel ren reo rer reu rga rgb rge rgg rgn rgo rgr rla rle rlg rll rln rlo rlr rlu rna rnb rng rnn rno rnr rnu roa rob roe rog rol ron roo ror rou rra rrb rrg rrl rrn rrr rru rua rub rue rug run ruo rur ruu ua- uaa uab uae uag ual uan uao uar uau uba ubb ube ubg ubl ubn ubo ubr ubu uea ueb uee ueg uel uen uer uga ugb uge ugg ugl ugn ugo ugr ugu ula ulb ule ulg ull uln ulo ulr ulu un- una unb une ung unl unn uno unr unu uoa uob uoe uog uol uon uoo uor ur- ura urb ure urg url urn uro urr uru uua uue uug uun uur uuu