-al -er -ol a-a a-b aaa aab aae aag aal aan aao aap aar ab- aba abb abe abg abl abn abo abp abr aea aeb aee aeg ael aen aeo aep aer ag- aga agb age agg agl agn ago agp agr al- ala alb ale alg all aln alo alp alr an- ana anb ane ang anl ann ano anp anr aoa aob aoe aog aol aon aoo aop aor ap- apa apb ape apg apl apn apo app apr ar- ara arb are arg arl arn aro arp arr b-p baa bab bae bag bal ban bao bap bar bba bbb bbe bbg bbl bbn bbo bbp bbr be- bea beb bee beg bel ben beo bep ber bga bgb bge bgg bgl bgn bgo bgp bgr bla blb ble blg bll bln blo blp blr bna bnb bne bng bnl bnn bno bnp bnr boa bob boe bog bol bon boo bop bor bpa bpb bpe bpg bpl bpn bpo bpp bpr bra brb bre brg brl brn bro brp brr eaa eab eae eag eal ean eao eap ear eba ebb ebe ebg ebl ebn ebo ebp ebr eea eeb eee eeg eel een eeo eep eer ega egb ege egg egl egn ego egp egr ela elb ele elg ell eln elo elp elr en- ena enb ene eng enl enn eno enp enr eo- eoa eob eoe eog eol eon eoo eop eor ep- epa epb epe epg epl epn epo epp epr era erb ere erg erl ern ero erp err g-p gaa gab gae gag gal gan gao gap gar gba gbe gbg gbl gbn gbo gbp gbr ge- gea geb gee geg gel gen geo gep ger gga ggb ggg ggn ggo ggp ggr gla glb gle glg gll gln glo glp glr gna gnb gne gnl gnn gno gnp gnr goa gob goe gog gol gon goo gop gor gpa gpb gpe gpg gpl gpn gpo gpp gpr gra grb gre grg grl grn gro grp grr l-p la- laa lab lae lag lal lan lao lap lar lba lbb lbe lbg lbl lbo lbp lbr lea leb lee leg lel len leo lep ler lga lgb lge lgg lgl lgn lgo lgp lgr lla llb lle llg lll lln llo llp llr lna lnb lne lng lnl lnn lno lnp lnr loa lob loe log lol lon loo lop lor lpa lpb lpe lpg lpl lpn lpo lpp lpr lra lrb lrg lrn lro lrp lrr naa nab nae nag nal nan nao nap nar nba nbb nbe nbg nbl nbn nbo nbp nbr ne- nea neb nee neg nel nen neo nep ner nga ngb nge ngg ngl ngn ngo ngp nla nlb nle nlg nll nln nlo nlp nlr nna nnb nne nng nnl nnn nno nnp no- noa nob noe nog nol non noo nop nor npa npb npe npg npl npn npo npp npr nra nrb nre nrg nrl nrn nro nrp nrr oaa oab oae oag oal oan oao oap oar ob- oba obb obe obg obl obn obo obp obr oea oeb oee oeg oel oen oeo oep oer oga oge ogg ogl ogn ogo ogp ola olb ole olg oll oln olo olp on- ona onb one ong onl onn ono onp onr oo- ooa oob oog ool oon ooo oop oor op- opa opb ope opg opl opn opo opp opr or- ora orb ore org orl orn oro orp orr p-p paa pab pae pag pal pan pao pap par pba pbb pbe pbg pbl pbn pbo pbp pbr pea peb pee peg pel pen peo pep per pga pgb pge pgg pgl pgn pgo pgp pgr pla plb ple plg pll pln plo plp plr pn- pna pnb pne png pnl pnn pno pnp pnr poa pob poe pog pol pon poo pop por ppa ppb ppe ppg ppl ppn ppo ppp ppr pra prb pre prg prl prn pro prp prr ra- raa rab rae rag ral ran rao rap rar rba rbb rbe rbg rbl rbn rbo rbp rbr re- rea reb ree reg rel ren reo rep rer rga rgb rge rgg rgn rgo rgp rgr rla rle rlg rll rln rlo rlp rlr rna rnb rng rnn rno rnp rnr roa rob roe rog rol ron roo rop ror rpa rpb rpe rpg rpl rpn rpo rpp rpr rra rrb rrg rrl rrn rrp rrr