-al -er -ol a-a a-b aaa aab aae aag aal aam aao aap aar ab- aba abb abe abg abl abm abo abp abr aea aeb aee aeg ael aem aeo aep aer ag- aga agb age agg agl agm ago agp agr al- ala alb ale alg all alm alo alp alr ama amb ame amg aml amm amo amp amr aoa aob aoe aog aol aom aoo aop aor ap- apa apb ape apg apl apm apo app apr ar- ara arb are arg arl arm aro arp arr b-p baa bab bae bag bal bam bao bap bar bba bbb bbe bbg bbl bbm bbo bbp bbr be- bea beb bee beg bel bem beo bep ber bga bgb bge bgg bgl bgm bgo bgp bgr bla blb ble blg bll blm blo blp blr bma bmb bme bmg bml bmm bmo bmp bmr boa bob boe bog bol bom boo bop bor bpa bpb bpe bpg bpl bpm bpo bpp bpr bra brb bre brg brl brm bro brp brr eaa eab eae eag eal eam eao eap ear eba ebb ebe ebg ebl ebm ebo ebp ebr eea eeb eee eeg eel eem eeo eep eer ega egb ege egg egl egm ego egp egr ela elb ele elg ell elm elo elp elr em- ema emb eme emg eml emm emo emp emr eo- eoa eob eoe eog eol eom eoo eop eor ep- epa epb epe epg epl epm epo epp epr era erb ere erg erl erm ero erp err g-p gaa gab gae gag gal gam gao gap gar gba gbe gbg gbl gbm gbo gbp gbr ge- gea geb gee geg gel gem geo gep ger gga ggb ggg ggm ggo ggp ggr gla glb gle glg gll glm glo glp glr gma gmb gme gmg gml gmm gmo gmp gmr goa gob goe gog gol gom goo gop gor gpa gpb gpe gpg gpl gpm gpo gpp gpr gra grb gre grg grl grm gro grp grr l-p la- laa lab lae lag lal lam lao lap lar lba lbb lbe lbg lbl lbm lbo lbp lbr lea leb lee leg lel lem leo lep ler lga lgb lge lgg lgl lgm lgo lgp lgr lla llb lle llg lll llm llo llp llr lma lmb lme lmg lml lmm lmo lmp lmr loa lob loe log lol lom loo lop lor lpa lpb lpe lpg lpl lpm lpo lpp lpr lra lrb lrg lrm lro lrp lrr m-o m-r maa mab mae mag mal mam mao map mar mba mbb mbe mbg mbl mbm mbo mbp mbr mea meb mee meg mel mem meo mep mer mga mgb mge mgl mgm mgo mgp mgr mla mlb mle mlg mll mlm mlo mlp mlr mma mmb mme mmg mml mmm mmo mmp mmr moa mob moe mog mol mom moo mop mor mpa mpb mpe mpg mpl mpm mpo mpp mpr mra mrb mre mrg mrl mrm mro mrp mrr oaa oab oae oag oal oam oao oap oar ob- oba obb obe obg obl obm obo obp obr oea oeb oee oeg oel oem oeo oep oer oga oge ogg ogl ogo ogp ola olb ole olg oll olm olo olp om- oma omb ome omg oml omm omo omp omr oo- ooa oob oog ool oom ooo oop oor op- opa opb ope opg opl opm opo opp opr or- ora orb ore org orl orm oro orp orr p-p paa pab pae pag pal pam pao pap par pba pbb pbe pbg pbl pbm pbo pbp pbr pea peb pee peg pel pem peo pep per pga pgb pge pgg pgl pgm pgo pgp pgr pla plb ple plg pll plm plo plp plr pma pmb pme pmg pml pmm pmo pmp pmr poa pob poe pog pol pom poo pop por ppa ppb ppe ppg ppl ppm ppo ppp ppr pra prb pre prg prl prm pro prp prr ra- raa rab rae rag ral ram rao rap rar rba rbb rbe rbg rbl rbm rbo rbp rbr re- rea reb ree reg rel rem reo rep rer rga rgb rge rgg rgo rgp rgr rla rle rlg rll rlm rlo rlp rlr rma rmb rme rmg rml rmm rmo rmp rmr roa rob roe rog rol rom roo rop ror rpa rpb rpe rpg rpl rpm rpo rpp rpr rra rrb rrg rrl rrm rrp rrr