-al -ol a-a a-b a-c aaa aab aac aad aah aal aam aao aar ab- aba abb abc abd abh abl abm abo abr ac- aca acb acc acd ach acl acm aco acr ad- ada adb adc add adh adl adm ado adr aha ahb ahc ahd ahh ahl ahm aho ahr al- ala alb alc ald alh all alm alo alr ama amb amc amd amh aml amm amo amr aoa aob aoc aod aoh aol aom aoo aor ar- ara arb arc ard arh arl arm aro arr baa bab bac bad bah bal bam bao bar bba bbb bbc bbd bbh bbl bbm bbo bbr bca bcb bcc bcd bch bcl bcm bco bcr bda bdb bdc bdd bdh bdl bdm bdo bdr bha bhb bhc bhd bhh bhl bhm bho bhr bla blb blc bld blh bll blm blo blr bma bmb bmc bmd bmh bml bmm bmo bmr boa bob boc bod boh bol bom boo bor bra brb brd brh brl brm bro brr c-- caa cab cac cad cah cal cam cao car cba cbb cbc cbd cbh cbl cbm cbo cbr cca ccb ccc ccd cch ccl ccm cco ccr cda cdb cdc cdd cdh cdl cdm cdo cdr ch- cha chb chc chd chh chl chm cho chr cl- cla clb clc cld clh cll clm clo clr cma cmb cmc cmd cmh cml cmm cmo cmr co- coa cob coc cod coh col com coo cor cra crb crc crd crh crl crm cro crr daa dab dac dad dah dal dam dao dar dba dbb dbc dbd dbh dbl dbm dbo dbr dca dcb dcc dcd dcl dcm dco dcr dda ddb ddc ddd ddh ddl ddm ddo ddr dh- dha dhb dhc dhd dhh dhl dhm dho dhr dl- dla dlb dlc dld dlh dll dlm dlo dlr dma dmb dmc dmd dmh dml dmm dmo dmr doa dob doc dod doh dol dom doo dor dra drb drc drd drl drm dro drr haa hab hac had hah hal ham hao har hba hbb hbc hbd hbh hbl hbm hbo hbr hca hcb hcc hcd hch hcl hcm hco hcr hda hdb hdc hdd hdh hdl hdm hdo hdr hha hhb hhc hhd hhh hhl hhm hho hhr hla hlb hlc hld hlh hll hlm hlo hlr hma hmb hmc hmd hmh hml hmm hmo hmr hoa hob hoc hod hoh hol hom hoo hor hr- hra hrb hrc hrd hrh hrl hrm hro hrr la- laa lab lac lad lah lal lam lao lar lba lbb lbc lbd lbh lbl lbm lbo lbr lca lcb lcc lcd lch lcl lcm lco lcr lda ldb ldc ldd ldh ldl ldm ldo ldr lha lhb lhc lhd lhh lho lhr lla llb llc lld lll llm llo llr lma lmb lmc lmd lmh lml lmm lmo lmr loa lob loc lod loh lol lom loo lor lra lrb lrc lrd lrh lrm lro lrr m-o m-r maa mab mac mad mah mal mam mao mar mba mbb mbc mbd mbh mbl mbm mbo mbr mc- mca mcb mcc mcd mch mcl mcm mco mcr mda mdb mdc mdd mdh mdl mdm mdo mdr mha mhc mhd mhh mhl mhm mho mhr mla mlb mlc mld mlh mll mlm mlo mlr mma mmb mmc mmd mmh mml mmm mmo mmr moa mob moc mod moh mol mom moo mor mra mrb mrc mrd mrh mrl mrm mro mrr oaa oab oac oad oah oal oam oao oar ob- oba obb obc obd obh obl obm obo obr oc- oca ocb occ ocd och ocl ocm oco ocr oda odb odc odd odh odl odm odo odr oha ohc ohd ohh ohl ohm oho ohr ola olb olc old oll olm olo om- oma omb omc omd omh oml omm omo omr oo- ooa oob ooc ood ooh ool oom ooo oor or- ora orb orc ord orh orl orm oro orr ra- raa rab rac rad rah ral ram rao rar rba rbb rbc rbd rbh rbl rbm rbo rbr rca rcb rcc rcd rch rcl rcm rco rcr rda rdb rdc rdd rdh rdl rdm rdo rdr rh- rha rhb rhc rhd rhh rhl rhm rho rhr rla rlc rld rlh rll rlm rlo rlr rma rmb rmc rmd rmh rml rmm rmo rmr roa rob roc rod roh rol rom roo ror rra rrb rrc rrd rrh rrl rrm rrr