-al -ol a-a a-c aaa aac aad aah aal aao aap ac- aca acc acd ach acl aco acp ad- ada adc add adh adl ado adp aha ahc ahd ahh ahl aho ahp al- ala alc ald alh all alo alp aoa aoc aod aoh aol aoo aop ap- apa apc apd aph apl apo app c-- caa cac cad cah cal cao cap cca ccc ccd cch ccl cco ccp cda cdc cdd cdh cdl cdo cdp ch- cha chc chd chh chl cho chp cl- cla clc cld clh cll clo clp co- coa coc cod coh col coo cop cpa cpc cpd cph cpl cpo cpp daa dac dad dah dal dao dap dca dcc dcd dcl dco dcp dda ddc ddd ddh ddl ddo ddp dh- dha dhc dhd dhh dhl dho dhp dl- dla dlc dld dlh dll dlo dlp doa doc dod doh dol doo dop dpa dpc dpd dph dpl dpo dpp haa hac had hah hal hao hap hca hcc hcd hch hcl hco hcp hda hdc hdd hdh hdl hdo hdp hha hhc hhd hhh hhl hho hhp hla hlc hld hlh hll hlo hlp hoa hoc hod hoh hol hoo hop hpa hpc hpd hph hpl hpo hpp l-p la- laa lac lad lah lal lao lap lca lcc lcd lch lcl lco lcp lda ldc ldd ldh ldl ldo ldp lha lhc lhd lhh lho lhp lla llc lld lll llo llp loa loc lod loh lol loo lop lpa lpc lpd lph lpl lpo lpp oaa oac oad oah oal oao oap oc- oca occ ocd och ocl oco ocp oda odc odd odh odl odo odp oha ohc ohd ohh ohl oho ohp ola olc old oll olo olp oo- ooa ooc ood ooh ool ooo oop op- opa opc opd oph opl opo opp p-p paa pac pad pah pal pao pap pca pcc pcd pch pcl pco pcp pda pdc pdd pdh pdl pdo pdp pha phc phd phl pho php pla plc pld plh pll plo plp poa poc pod poh pol poo pop ppa ppc ppd pph ppl ppo ppp