-ol b-u bbb bbc bbd bbe bbh bbk bbl bbo bbu bcb bcc bcd bce bch bck bcl bco bcu bdb bdc bdd bde bdh bdk bdl bdo bdu be- beb bec bed bee beh bek bel beo beu bhb bhc bhd bhe bhh bhk bhl bho bhu bkb bkc bke bkk bkl bko blb blc bld ble blh blk bll blo blu bob boc bod boe boh bok bol boo bou bub buc bud bue buh buk bul buo buu c-- cbb cbc cbd cbe cbh cbk cbl cbo cbu ccb ccc ccd cce cch cck ccl cco ccu cdb cdc cdd cde cdh cdk cdl cdo cdu ce- ceb cec ced cee ceh cek cel ceo ceu ch- chb chc chd che chh chk chl cho chu ckb ckc ckd ckh cko cl- clb clc cld cle clh clk cll clo clu co- cob coc cod coe coh cok col coo cou cub cuc cud cue cuh cuk cul cuo cuu dbb dbc dbd dbe dbh dbk dbl dbo dbu dcb dcc dcd dce dck dcl dco dcu ddb ddc ddd dde ddh ddk ddl ddo ddu de- deb dec ded dee deh dek del deo deu dh- dhb dhc dhd dhe dhh dhk dhl dho dhu dkb dkc dke dkk dkl dko dku dl- dlb dlc dld dle dlh dlk dll dlo dlu dob doc dod doe doh dok dol doo dou dub duc dud due duh duk dul duo ebb ebc ebd ebe ebh ebk ebl ebo ebu ec- ecb ecc ecd ece ech eck ecl eco ecu ed- edb edc edd ede edh edk edl edo edu eeb eec eed eee eek eel eeo ehb ehc ehd ehe ehh ehl eho ehu ekb ekc ekd eke ekh ekl eko eku elb elc eld ele elh elk ell elo elu eo- eob eoc eod eoe eoh eok eol eoo eou eu- eub euc eud eue eul hbb hbc hbd hbe hbh hbk hbl hbo hbu hcb hcc hcd hce hch hck hcl hco hdb hdc hdd hde hdh hdk hdl hdo hdu he- heb hec hed hee heh hek hel heo heu hhb hhc hhd hhe hhh hhk hhl hho hhu hkb hkd hkh hkk hkl hko hku hlb hlc hld hle hlh hll hlo hlu hob hoc hod hoe hoh hok hol hoo hou hub huc hud hue huh huk hul huo huu kbb kbc kbd kbe kbh kbk kbl kbo kbu kcb kcc kcd kce kch kck kcl kcu kdb kdc kde kdh kdk kdl kdo kdu ke- keb kec ked kee keh kek kel keo khe khh khk kho khu kkb kkc kke kkh kkk kkl kku kl- klb klc kld klh klo klu kob koc kod koe koh kok kol koo kou kub kuc kud kue kuh kuk kul kuu lbb lbc lbd lbe lbh lbk lbl lbo lbu lcb lcc lcd lce lch lck lcl lco lcu ldb ldc ldd lde ldh ldk ldl ldo ldu leb lec led lee leh lek lel leo leu lhb lhc lhd lhh lhk lho lhu lkb lkh lkl llb llc lld lle llk lll llo llu lob loc lod loe loh lok lol loo lou lub luc lud lue luh luk lul luo luu ob- obb obc obd obe obh obk obl obo obu oc- ocb occ ocd och ock ocl oco ocu odb odc odd ode odh odl odo odu oeb oec oed oee oeh oel oeo ohc ohd ohe ohh ohl oho ohu okb okc okd oke okk okl oko oku olb olc old ole olk oll olo olu oo- oob ooc ood ooh ook ool ooo ou- ouc oud oue ouh ouk oul ouo ubb ubc ube ubh ubk ubl ubo ubu ucb ucc ucd uce uch uck ucl uco ucu udb udc udd ude udk udl udo udu ueb uec ued uee ueh uel uhb uhc uhd uhe uhh uhl uho uhu ukb ukc uke ukk ukl uku ulb ulc uld ule ulk ull ulo ulu uob uoc uod uoe uok uol uoo uuc uue uuu