-al -ol a-a a-b a-c aaa aab aac aad aae aah aal aao aap ab- aba abb abc abd abe abh abl abo abp ac- aca acb acc acd ace ach acl aco acp ad- ada adb adc add ade adh adl ado adp aea aeb aec aed aee aeh ael aeo aep aha ahb ahc ahd ahe ahh ahl aho ahp al- ala alb alc ald ale alh all alo alp aoa aob aoc aod aoe aoh aol aoo aop ap- apa apb apc apd ape aph apl apo app b-p baa bab bac bad bae bah bal bao bap bba bbb bbc bbd bbe bbh bbl bbo bbp bca bcb bcc bcd bce bch bcl bco bcp bda bdb bdc bdd bde bdh bdl bdo bdp be- bea beb bec bed bee beh bel beo bep bha bhb bhc bhd bhe bhh bhl bho bhp bla blb blc bld ble blh bll blo blp boa bob boc bod boe boh bol boo bop bpa bpb bpc bpd bpe bph bpl bpo bpp c-- caa cab cac cad cae cah cal cao cap cba cbb cbc cbd cbe cbh cbl cbo cbp cca ccb ccc ccd cce cch ccl cco ccp cda cdb cdc cdd cde cdh cdl cdo cdp ce- cea ceb cec ced cee ceh cel ceo cep ch- cha chb chc chd che chh chl cho chp cl- cla clb clc cld cle clh cll clo clp co- coa cob coc cod coe coh col coo cop cpa cpb cpc cpd cpe cph cpl cpo cpp daa dab dac dad dae dah dal dao dap dba dbb dbc dbd dbe dbh dbl dbo dbp dca dcb dcc dcd dce dcl dco dcp dda ddb ddc ddd dde ddh ddl ddo ddp de- dea deb dec ded dee deh del deo dep dh- dha dhb dhc dhd dhe dhh dhl dho dhp dl- dla dlb dlc dld dle dlh dll dlo dlp doa dob doc dod doe doh dol doo dop dpa dpb dpc dpd dpe dph dpl dpo dpp eaa eab eac ead eae eah eal eao eap eba ebb ebc ebd ebe ebh ebl ebo ebp ec- eca ecb ecc ecd ece ech ecl eco ed- eda edb edc edd ede edh edl edo edp eea eeb eec eed eee eel eeo eep eha ehb ehc ehd ehe ehh ehl eho ehp ela elb elc eld ele elh ell elo elp eo- eoa eob eoc eod eoe eoh eol eoo eop ep- epa epb epc epd epe eph epl epo epp haa hab hac had hae hah hal hao hap hba hbb hbc hbd hbe hbh hbl hbo hbp hca hcb hcc hcd hce hch hcl hco hcp hda hdb hdc hdd hde hdh hdl hdo hdp he- hea heb hec hed hee heh hel heo hep hha hhb hhc hhd hhe hhh hhl hho hhp hla hlb hlc hld hle hlh hll hlo hlp hoa hob hoc hod hoe hoh hol hoo hop hpa hpb hpc hpd hpe hph hpl hpo hpp l-p la- laa lab lac lad lae lah lal lao lap lba lbb lbc lbd lbe lbh lbl lbo lbp lca lcb lcc lcd lce lch lcl lco lcp lda ldb ldc ldd lde ldh ldl ldo ldp lea leb lec led lee leh lel leo lep lha lhb lhc lhd lhh lho lhp lla llb llc lld lle lll llo llp loa lob loc lod loe loh lol loo lop lpa lpb lpc lpd lpe lph lpl lpo lpp oaa oab oac oad oae oah oal oao oap ob- oba obb obc obd obe obh obl obo obp oc- oca ocb occ ocd och ocl oco ocp oda odb odc odd ode odh odl odo odp oea oeb oec oed oee oeh oel oeo oep oha ohc ohd ohe ohh ohl oho ohp ola olb olc old ole oll olo olp oo- ooa oob ooc ood ooh ool ooo oop op- opa opb opc opd ope oph opl opo opp p-p paa pab pac pad pae pah pal pao pap pba pbb pbc pbd pbe pbl pbo pbp pca pcb pcc pcd pce pch pcl pco pcp pda pdb pdc pdd pde pdh pdl pdo pdp pea peb pec ped pee peh pel peo pep pha phb phc phd phe phl pho php pla plb plc pld ple plh pll plo plp poa pob poc pod poe poh pol poo pop ppa ppb ppc ppd ppe pph ppl ppo ppp