-th bbb bbd bbe bbh bbo bbt bdb bdd bde bdh bdo bdt be- beb bed bee beh beo bet bhb bhd bhe bhh bho bht bob bod boe boh boo bot btb btd bte bth bto btt dbb dbd dbe dbh dbo dbt ddb ddd dde ddh ddo ddt de- deb ded dee deh deo det dh- dhb dhd dhe dhh dho dht dob dod doe doh doo dot dtb dtd dte dth dto dtt ebb ebd ebe ebh ebo ebt ed- edb edd ede edh edo edt eeb eed eee eeo eet ehb ehd ehe ehh eho eht eo- eob eod eoe eoh eoo eot etb etd ete eth eto ett hbb hbd hbe hbh hbo hbt hdb hdd hde hdh hdo hdt he- heb hed hee heh heo het hhb hhd hhe hhh hho hht hob hod hoe hoh hoo hot htb htd hte hth hto htt ob- obb obd obe obh obo obt odb odd ode odh odo odt oeb oed oee oeh oeo oet ohd ohe ohh oho oht oo- oob ood ooh ooo oot ot- otb otd ote oth oto ott tbb tbd tbe tbh tbo tbt tdb tdd tde tdh tdo tdt te- teb ted tee teh teo tet th- thb thd the thh tho tht to- tob tod toe toh too tot ttb ttd tte tth tto ttt