-al -er -ol a-a a-b a-c aaa aab aac aad aae aag aal aao aar aas aau ab- aba abb abc abd abe abg abl abo abr abs abu ac- aca acb acc acd ace acg acl aco acr acs acu ad- ada adb adc add ade adg adl ado adr ads adu aea aeb aec aed aee aeg ael aeo aer aes aeu ag- aga agb agc agd age agg agl ago agr ags agu al- ala alb alc ald ale alg all alo alr als alu aoa aob aoc aod aoe aog aol aoo aor aos aou ar- ara arb arc ard are arg arl aro arr ars aru as- asa asb asc asd ase asg asl aso asr ass asu au- aua aub auc aud aue aug aul auo aur aus b-u baa bab bac bad bae bag bal bao bar bas bau bba bbb bbc bbd bbe bbg bbl bbo bbr bbs bbu bca bcb bcc bcd bce bcg bcl bco bcr bcs bcu bda bdb bdc bdd bde bdg bdl bdo bdr bds bdu be- bea beb bec bed bee beg bel beo ber bes beu bga bgb bgc bgd bge bgg bgl bgo bgr bgs bgu bla blb blc bld ble blg bll blo blr bls blu boa bob boc bod boe bog bol boo bor bos bou bra brb brd bre brg brl bro brr brs bru bsa bsb bsc bsd bse bsg bsl bso bsr bss bsu bua bub buc bud bue bug bul buo bur bus buu c-- caa cab cac cad cae cag cal cao car cas cau cba cbb cbc cbd cbe cbg cbl cbo cbr cbs cbu cca ccb ccc ccd cce ccg ccl cco ccr ccs ccu cda cdb cdc cdd cde cdg cdl cdo cdr cds cdu ce- cea ceb cec ced cee ceg cel ceo cer ces ceu cga cgb cgc cgd cge cgg cgl cgo cgr cgs cgu cl- cla clb clc cld cle clg cll clo clr cls clu co- coa cob coc cod coe cog col coo cor cos cou cra crb crc crd cre crg crl cro crr crs cru csa csb csc csd cse csg csl cso csr css csu cua cub cuc cud cue cug cul cuo cur cus cuu daa dab dac dad dae dag dal dao dar das dau dba dbb dbc dbd dbe dbg dbl dbo dbr dbs dbu dca dcb dcc dcd dce dcg dcl dco dcr dcs dcu dda ddb ddc ddd dde ddg ddl ddo ddr dds ddu de- dea deb dec ded dee deg del deo der des deu dga dgc dgd dge dgg dgl dgr dgs dgu dl- dla dlb dlc dld dle dlg dll dlo dlr dls dlu doa dob doc dod doe dog dol doo dor dos dou dra drb drc drd dre drg drl dro drr drs dru dsa dsb dsc dsd dse dsg dsl dso dsr dss dsu dua dub duc dud due dug dul duo dur dus eaa eab eac ead eae eag eal eao ear eas eau eba ebb ebc ebd ebe ebg ebl ebo ebr ebs ebu ec- eca ecb ecc ecd ece ecg ecl eco ecr ecs ecu ed- eda edb edc edd ede edg edl edo edr eds edu eea eeb eec eed eee eeg eel eeo eer ees ega egb egc egd ege egg egl ego egr egs egu ela elb elc eld ele elg ell elo elr els elu eo- eoa eob eoc eod eoe eog eol eoo eor eos eou era erb erc erd ere erg erl ero err ers eru es- esa esb esc esd ese esg esl eso esr ess esu eu- eua eub euc eud eue eug eul eur eus g-d gaa gab gac gad gae gag gal gao gar gas gau gba gbc gbd gbe gbg gbl gbo gbr gbs gbu gca gcb gcc gcd gce gcg gcl gco gcr gcs gcu gda gdb gdc gdd gde gdl gdo gdr gds gdu ge- gea geb gec ged gee geg gel geo ger ges geu gga ggb ggc ggd ggg ggo ggr ggs ggu gla glb glc gld gle glg gll glo glr gls glu goa gob goc god goe gog gol goo gor gos gou gra grb grc grd gre grg grl gro grr grs gru gsa gsb gsc gsd gse gsg gsl gso gsr gss gsu gu- gua gub guc gud gue gug gul guo gur gus guu la- laa lab lac lad lae lag lal lao lar las lau lba lbb lbc lbd lbe lbg lbl lbo lbr lbs lbu lca lcb lcc lcd lce lcg lcl lco lcr lcs lcu lda ldb ldc ldd lde ldg ldl ldo ldr lds ldu lea leb lec led lee leg lel leo ler les leu lga lgb lgc lgd lge lgg lgl lgo lgr lgs lgu lla llb llc lld lle llg lll llo llr lls llu loa lob loc lod loe log lol loo lor los lou lra lrb lrc lrd lrg lro lrr lrs lru lsa lsb lsc lsd lse lsg lsl lso lsr lss lsu lua lub luc lud lue lug lul luo lur lus luu oaa oab oac oad oae oag oal oao oar oas oau ob- oba obb obc obd obe obg obl obo obr obs obu oc- oca ocb occ ocd ocg ocl oco ocr ocs ocu oda odb odc odd ode odg odl odo odr ods odu oea oeb oec oed oee oeg oel oeo oer oes oga ogc ogd oge ogg ogl ogo ogs ola olb olc old ole olg oll olo ols olu oo- ooa oob ooc ood oog ool ooo oor oos or- ora orb orc ord ore org orl oro orr ors oru os- osa osb osc osd ose osg osl oso osr oss osu ou- oua ouc oud oue oul ouo our ous ra- raa rab rac rad rae rag ral rao rar ras rau rba rbb rbc rbd rbe rbg rbl rbo