-al -ol a-a a-b a-c aaa aab aac aad aal aam aao aar ab- aba abb abc abd abl abm abo abr ac- aca acb acc acd acl acm aco acr ad- ada adb adc add adl adm ado adr al- ala alb alc ald all alm alo alr ama amb amc amd aml amm amo amr aoa aob aoc aod aol aom aoo aor ar- ara arb arc ard arl arm aro arr baa bab bac bad bal bam bao bar bba bbb bbc bbd bbl bbm bbo bbr bca bcb bcc bcd bcl bcm bco bcr bda bdb bdc bdd bdl bdm bdo bdr bla blb blc bld bll blm blo blr bma bmb bmc bmd bml bmm bmo bmr boa bob boc bod bol bom boo bor bra brb brd brl brm bro brr c-- caa cab cac cad cal cam cao car cba cbb cbc cbd cbl cbm cbo cbr cca ccb ccc ccd ccl ccm cco ccr cda cdb cdc cdd cdl cdm cdo cdr cl- cla clb clc cld cll clm clo clr cma cmb cmc cmd cml cmm cmo cmr co- coa cob coc cod col com coo cor cra crb crc crd crl crm cro crr daa dab dac dad dal dam dao dar dba dbb dbc dbd dbl dbm dbo dbr dca dcb dcc dcd dcl dcm dco dcr dda ddb ddc ddd ddl ddm ddo ddr dl- dla dlb dlc dld dll dlm dlo dlr dma dmb dmc dmd dml dmm dmo dmr doa dob doc dod dol dom doo dor dra drb drc drd drl drm dro drr la- laa lab lac lad lal lam lao lar lba lbb lbc lbd lbl lbm lbo lbr lca lcb lcc lcd lcl lcm lco lcr lda ldb ldc ldd ldl ldm ldo ldr lla llb llc lld lll llm llo llr lma lmb lmc lmd lml lmm lmo lmr loa lob loc lod lol lom loo lor lra lrb lrc lrd lrm lro lrr m-o m-r maa mab mac mad mal mam mao mar mba mbb mbc mbd mbl mbm mbo mbr mc- mca mcb mcc mcd mcl mcm mco mcr mda mdb mdc mdd mdl mdm mdo mdr mla mlb mlc mld mll mlm mlo mlr mma mmb mmc mmd mml mmm mmo mmr moa mob moc mod mol mom moo mor mra mrb mrc mrd mrl mrm mro mrr oaa oab oac oad oal oam oao oar ob- oba obb obc obd obl obm obo obr oc- oca ocb occ ocd ocl ocm oco ocr oda odb odc odd odl odm odo odr ola olb olc old oll olm olo om- oma omb omc omd oml omm omo omr oo- ooa oob ooc ood ool oom ooo oor or- ora orb orc ord orl orm oro orr ra- raa rab rac rad ral ram rao rar rba rbb rbc rbd rbl rbm rbo rbr rca rcb rcc rcd rcl rcm rco rcr rda rdb rdc rdd rdl rdm rdo rdr rla rlc rld rll rlm rlo rlr rma rmb rmc rmd rml rmm rmo rmr roa rob roc rod rol rom roo ror rra rrb rrc rrd rrl rrm rrr