-al -er -ol a-a a-b a-c aaa aab aac aad aae aal aam aao aar aau ab- aba abb abc abd abe abl abm abo abr abu ac- aca acb acc acd ace acl acm aco acr acu ad- ada adb adc add ade adl adm ado adr adu aea aeb aec aed aee ael aem aeo aer aeu al- ala alb alc ald ale all alm alo alr alu ama amb amc amd ame aml amm amo amr amu aoa aob aoc aod aoe aol aom aoo aor aou ar- ara arb arc ard are arl arm aro arr aru au- aua aub auc aud aue aul aum auo aur b-u baa bab bac bad bae bal bam bao bar bau bba bbb bbc bbd bbe bbl bbm bbo bbr bbu bca bcb bcc bcd bce bcl bcm bco bcr bcu bda bdb bdc bdd bde bdl bdm bdo bdr bdu be- bea beb bec bed bee bel bem beo ber beu bla blb blc bld ble bll blm blo blr blu bma bmb bmc bmd bme bml bmm bmo bmr bmu boa bob boc bod boe bol bom boo bor bou bra brb brd bre brl brm bro brr bru bua bub buc bud bue bul bum buo bur buu c-- caa cab cac cad cae cal cam cao car cau cba cbb cbc cbd cbe cbl cbm cbo cbr cbu cca ccb ccc ccd cce ccl ccm cco ccr ccu cda cdb cdc cdd cde cdl cdm cdo cdr cdu ce- cea ceb cec ced cee cel cem ceo cer ceu cl- cla clb clc cld cle cll clm clo clr clu cma cmb cmc cmd cme cml cmm cmo cmr cmu co- coa cob coc cod coe col com coo cor cou cra crb crc crd cre crl crm cro crr cru cua cub cuc cud cue cul cum cuo cur cuu daa dab dac dad dae dal dam dao dar dau dba dbb dbc dbd dbe dbl dbm dbo dbr dbu dca dcb dcc dcd dce dcl dcm dco dcr dcu dda ddb ddc ddd dde ddl ddm ddo ddr ddu de- dea deb dec ded dee del dem deo der deu dl- dla dlb dlc dld dle dll dlm dlo dlr dlu dma dmb dmc dmd dme dml dmm dmo dmr dmu doa dob doc dod doe dol dom doo dor dou dra drb drc drd dre drl drm dro drr dru dua dub duc dud due dul dum duo dur eaa eab eac ead eae eal eam eao ear eau eba ebb ebc ebd ebe ebl ebm ebo ebr ebu ec- eca ecb ecc ecd ece ecl ecm eco ecr ecu ed- eda edb edc edd ede edl edm edo edr edu eea eeb eec eed eee eel eem eeo eer ela elb elc eld ele ell elm elo elr elu em- ema emb emc emd eme eml emm emo emr emu eo- eoa eob eoc eod eoe eol eom eoo eor eou era erb erc erd ere erl erm ero err eru eu- eua eub euc eud eue eul eur la- laa lab lac lad lae lal lam lao lar lau lba lbb lbc lbd lbe lbl lbm lbo lbr lbu lca lcb lcc lcd lce lcl lcm lco lcr lcu lda ldb ldc ldd lde ldl ldm ldo ldr ldu lea leb lec led lee lel lem leo ler leu lla llb llc lld lle lll llm llo llr llu lma lmb lmc lmd lme lml lmm lmo lmr lmu loa lob loc lod loe lol lom loo lor lou lra lrb lrc lrd lrm lro lrr lru lua lub luc lud lue lul lum luo lur luu m-o m-r maa mab mac mad mae mal mam mao mar mau mba mbb mbc mbd mbe mbl mbm mbo mbr mbu mc- mca mcb mcc mcd mce mcl mcm mco mcr mcu mda mdb mdc mdd mde mdl mdm mdo mdr mdu mea meb mec med mee mel mem meo mer meu mla mlb mlc mld mle mll mlm mlo mlr mlu mma mmb mmc mmd mme mml mmm mmo mmr mmu moa mob moc mod moe mol mom moo mor mou mra mrb mrc mrd mre mrl mrm mro mrr mru mua mub muc mud mue mul mum mur muu oaa oab oac oad oae oal oam oao oar oau ob- oba obb obc obd obe obl obm obo obr obu oc- oca ocb occ ocd ocl ocm oco ocr ocu oda odb odc odd ode odl odm odo odr odu oea oeb oec oed oee oel oem oeo oer ola olb olc old ole oll olm olo olu om- oma omb omc omd ome oml omm omo omr omu oo- ooa oob ooc ood ool oom ooo oor or- ora orb orc ord ore orl orm oro orr oru ou- oua ouc oud oue oul oum ouo our ra- raa rab rac rad rae ral ram rao rar rau rba rbb rbc rbd rbe rbl rbm rbo rbr rbu rca rcb rcc rcd rce rcl rcm rco rcr rcu rda rdb rdc rdd rde rdl rdm rdo rdr rdu re- rea reb rec red ree rel rem reo rer reu rla rlc rld rle rll rlm rlo rlr rlu rma rmb rmc rmd rme rml rmm rmo rmr roa rob roc rod roe rol rom roo ror rou rra rrb rrc rrd rrl rrm rrr rru rua rub ruc rud rue rum ruo rur ruu ua- uaa uab uac uad uae ual uam uao uar uau uba ubb ubc ube ubl ubo ubr ubu uca ucb ucc ucd uce ucl ucm uco ucr ucu uda udb udc udd ude udl udm udo udr udu uea ueb uec ued uee uel uem uer ula ulb ulc uld ule ull ulm ulo ulr ulu um- uma umb umc umd ume uml umm umo umr umu uoa uob uoc uod uoe uol uom uoo uor ur- ura urb urc urd ure url urm