-ol -th bbb bbd bbe bbh bbl bbo bbt bdb bdd bde bdh bdl bdo bdt be- beb bed bee beh bel beo bet bhb bhd bhe bhh bhl bho bht blb bld ble blh bll blo blt bob bod boe boh bol boo bot btb btd bte bth btl bto btt dbb dbd dbe dbh dbl dbo dbt ddb ddd dde ddh ddl ddo ddt de- deb ded dee deh del deo det dh- dhb dhd dhe dhh dhl dho dht dl- dlb dld dle dlh dll dlo dlt dob dod doe doh dol doo dot dtb dtd dte dth dtl dto dtt ebb ebd ebe ebh ebl ebo ebt ed- edb edd ede edh edl edo edt eeb eed eee eel eeo eet ehb ehd ehe ehh ehl eho eht elb eld ele elh ell elo elt eo- eob eod eoe eoh eol eoo eot etb etd ete eth etl eto ett hbb hbd hbe hbh hbl hbo hbt hdb hdd hde hdh hdl hdo hdt he- heb hed hee heh hel heo het hhb hhd hhe hhh hhl hho hht hlb hld hle hlh hll hlo hlt hob hod hoe hoh hol hoo hot htb htd hte hth htl hto htt lbb lbd lbe lbh lbl lbo lbt ldb ldd lde ldh ldl ldo ldt leb led lee leh lel leo let lhb lhd lhh lho lht llb lld lle lll llo llt lob lod loe loh lol loo lot ltb ltd lte lth ltl lto ltt ob- obb obd obe obh obl obo obt odb odd ode odh odl odo odt oeb oed oee oeh oel oeo oet ohd ohe ohh ohl oho oht olb old ole oll olo olt oo- oob ood ooh ool ooo oot ot- otb otd ote oth otl oto ott tbb tbd tbe tbh tbl tbo tbt tdb tdd tde tdh tdl tdo tdt te- teb ted tee teh tel teo tet th- thb thd the thh thl tho tht tld tle tlh tll tlo tlt to- tob tod toe toh tol too tot ttb ttd tte tth ttl tto ttt