-al -ol -th a-a a-c a-t aaa aac aad aah aal aao aat ac- aca acc acd ach acl aco act ad- ada adc add adh adl ado adt aha ahc ahd ahh ahl aho aht al- ala alc ald alh all alo alt aoa aoc aod aoh aol aoo aot at- ata atc atd ath atl ato att c-- caa cac cad cah cal cao cat cca ccc ccd cch ccl cco cct cda cdc cdd cdh cdl cdo cdt ch- cha chc chd chh chl cho cht cl- cla clc cld clh cll clo clt co- coa coc cod coh col coo cot cta ctc ctd cth ctl cto ctt daa dac dad dah dal dao dat dca dcc dcd dcl dco dct dda ddc ddd ddh ddl ddo ddt dh- dha dhc dhd dhh dhl dho dht dl- dla dlc dld dlh dll dlo dlt doa doc dod doh dol doo dot dta dtc dtd dth dtl dto dtt haa hac had hah hal hao hat hca hcc hcd hch hcl hco hct hda hdc hdd hdh hdl hdo hdt hha hhc hhd hhh hhl hho hht hla hlc hld hlh hll hlo hlt hoa hoc hod hoh hol hoo hot hta htc htd hth htl hto htt la- laa lac lad lah lal lao lat lca lcc lcd lch lcl lco lct lda ldc ldd ldh ldl ldo ldt lha lhc lhd lhh lho lht lla llc lld lll llo llt loa loc lod loh lol loo lot lta ltc ltd lth ltl lto ltt oaa oac oad oah oal oao oat oc- oca occ ocd och ocl oco oct oda odc odd odh odl odo odt oha ohc ohd ohh ohl oho oht ola olc old oll olo olt oo- ooa ooc ood ooh ool ooo oot ot- ota otc otd oth otl oto ott taa tac tad tah tal tao tat tca tcc tcd tch tcl tco tct tda tdc tdd tdh tdl tdo tdt th- tha thc thd thh thl tho tht tla tlc tld tlh tll tlo tlt to- toa toc tod toh tol too tot tta ttc ttd tth ttl tto ttt