-er -th bbb bbd bbe bbh bbi bbk bbo bbr bbt bdb bdd bde bdh bdi bdk bdo bdr bdt be- beb bed bee beh bei bek beo ber bet bhb bhd bhe bhh bhi bhk bho bhr bht bi- bib bid bie bih bii bik bio bir bit bkb bke bkk bko bkr bkt bob bod boe boh boi bok boo bor bot brb brd bre brh bri brk bro brr brt btb btd bte bth bti btk bto btr btt dbb dbd dbe dbh dbi dbk dbo dbr dbt ddb ddd dde ddh ddi ddk ddo ddr ddt de- deb ded dee deh dei dek deo der det dh- dhb dhd dhe dhh dhi dhk dho dhr dht di- dib did die dih dii dik dio dir dit dkb dke dki dkk dko dkr dkt dob dod doe doh doi dok doo dor dot drb drd dre dri drk dro drr drt dtb dtd dte dth dti dtk dto dtr dtt ebb ebd ebe ebh ebi ebk ebo ebr ebt ed- edb edd ede edh edi edk edo edr edt eeb eed eee eek eeo eer eet ehb ehd ehe ehh ehi eho ehr eht eib eid eie eii eik eio eir eit ekb ekd eke ekh eki eko ekr ekt eo- eob eod eoe eoh eoi eok eoo eor eot erb erd ere erh eri erk ero err ert etb etd ete eth eti etk eto etr ett h-i hbb hbd hbe hbh hbi hbk hbo hbr hbt hdb hdd hde hdh hdi hdk hdo hdr hdt he- heb hed hee heh hei hek heo her het hhb hhd hhe hhh hhi hhk hho hhr hht hib hid hie hih hii hik hio hir hit hkb hkd hkh hki hkk hko hkr hkt hob hod hoe hoh hoi hok hoo hor hot hr- hrb hrd hre hrh hri hrk hro hrr hrt htb htd hte hth hti htk hto htr htt i-d ibb ibd ibe ibh ibi ibk ibo ibr ibt idb idd ide idh idi idk ido idr idt ie- ied iee iei iek ier iet ihb ihd ihe ihh ihi ihk iho ihr iht iib iid iie iih iii iio iir iit ikb ike iki ikk iko ikr ikt io- iob iod ioe ioh ioi ioo ior iot ir- irb ird ire iri irk iro irr irt itb itd ite ith iti itk ito itt k-t kbb kbd kbe kbh kbi kbk kbo kbr kdb kde kdh kdk kdo kdr kdt ke- keb ked kee keh kei kek keo ker ket khe khh khi khk kho khr kib kid kie kih kii kik kio kir kit kkb kke kkh kki kkk kkr kkt kob kod koe koh koi kok koo kor kot krd kri krk kro krr krt ktb kte kth ktk kto ktr ktt o-i ob- obb obd obe obh obi obk obo obr obt odb odd ode odh odi odo odr odt oeb oed oee oeh oei oeo oer oet ohd ohe ohh ohi oho ohr oht oib oid oie oii oik oio oir oit okb okd oke oki okk oko okr oo- oob ood ooh ooi ook ooo oor oot or- orb ord ore orh ori ork oro orr ort ot- otb otd ote oth oti otk oto otr ott rbb rbd rbe rbh rbi rbk rbo rbr rbt rdb rdd rde rdh rdi rdo rdr rdt re- reb red ree reh rei rek reo rer ret rh- rhb rhd rhe rhh rhi rho rhr rht rib rid rie rih rii rik rio rir rit rkb rke rkk rko rkt rob rod roe roh roi rok roo ror rot rrb rrd rrh rri rrk rrr rrt rtb rtd rte rti rtk rto rtr rtt tbb tbd tbe tbh tbi tbk tbo tbr tbt tdb tdd tde tdh tdi tdk tdo tdr tdt te- teb ted tee teh tei tek teo ter tet th- thb thd the thh thi thk tho thr tht tib tid tie tih tii tik tio tir tit tkb tke tkk tko tkr tkt to- tob tod toe toh toi tok too tor tot trb trd tre trh tri trk tro trr trt ttb ttd tte tth tti ttk tto ttr ttt