-ol b-u bbb bbe bbi bbk bbl bbo bbt bbu be- beb bee bei bek bel beo bet beu bi- bib bie bii bik bil bio bit biu bkb bke bkk bkl bko bkt blb ble bli blk bll blo blt blu bob boe boi bok bol boo bot bou btb bte bti btk btl bto btt btu bub bue bui buk bul buo but buu ebb ebe ebi ebk ebl ebo ebt ebu eeb eee eek eel eeo eet eib eie eii eik eil eio eit eiu ekb eke eki ekl eko ekt eku elb ele eli elk ell elo elt elu eo- eob eoe eoi eok eol eoo eot eou etb ete eti etk etl eto ett etu eu- eub eue eui eul eut ibb ibe ibi ibk ibl ibo ibt ibu ie- iee iei iek iel iet iib iie iii iil iio iit iiu ikb ike iki ikk ikl iko ikt iku il- ilb ile ili ilk ill ilo ilt ilu io- iob ioe ioi iol ioo iot iou itb ite iti itk itl ito itt itu iu- iub iue iui iut k-t kbb kbe kbi kbk kbl kbo kbu ke- keb kee kei kek kel keo ket kib kie kii kik kil kio kit kiu kkb kke kki kkk kkl kkt kku kl- klb kli klo klt klu kob koe koi kok kol koo kot kou ktb kte ktk ktl kto ktt ktu kub kue kui kuk kul kut kuu lbb lbe lbi lbk lbl lbo lbt lbu leb lee lei lek lel leo let leu lib lie lii lik lil lio lit liu lkb lkl lkt llb lle lli llk lll llo llt llu lob loe loi lok lol loo lot lou ltb lte lti ltk ltl lto ltt ltu lub lue lui luk lul luo lut luu o-i ob- obb obe obi obk obl obo obt obu oeb oee oei oel oeo oet oib oie oii oik oil oio oit oiu okb oke oki okk okl oko oku olb ole oli olk oll olo olt olu oo- oob ooi ook ool ooo oot ot- otb ote oti otk otl oto ott otu ou- oue oui ouk oul ouo out tbb tbe tbi tbk tbl tbo tbt tbu te- teb tee tei tek tel teo tet teu tib tie tii tik til tio tit tiu tkb tke tkk tkl tko tkt tle tli tlk tll tlo tlt tlu to- tob toe toi tok tol too tot tou ttb tte tti ttk ttl tto ttt ttu tub tue tui tuk tul tuo tut tuu ubb ube ubi ubk ubl ubo ubt ubu ueb uee uei uel uet uib uie uii uil uio uit uiu ukb uke uki ukk ukl uku ulb ule uli ulk ull ulo ult ulu uob uoe uok uol uoo uot utb ute uti utk utl uto utt utu uue uut uuu