-ji -ol b-u bbb bbe bbi bbk bbl bbo bbu bbx be- beb bee bei bek bel beo beu bex bi- bib bie bii bij bik bil bio biu bix bji bjj bjk bju bkb bke bkk bkl bko bkx blb ble bli blj blk bll blo blu blx bob boe boi boj bok bol boo bou box bub bue bui buj buk bul buo buu bux bxb bxi bxj bxl bxo bxx ebb ebe ebi ebj ebk ebl ebo ebu ebx eeb eee eek eel eeo eex eib eie eii eij eik eil eio eiu eix eji ejl ejo eju ekb eke eki ekl eko eku elb ele eli elk ell elo elu elx eo- eob eoe eoi eok eol eoo eou eu- eub eue eui euj eul eux ex- exe exi exl exo exu exx ibb ibe ibi ibj ibk ibl ibo ibu ibx ie- iee iei iej iek iel iex iib iie iii iij iil iio iiu iix ijb ije iji ijk ijl ijo iju ikb ike iki ikk ikl iko iku ikx il- ilb ile ili ilk ill ilo ilu ilx io- iob ioe ioi ioj iol ioo iou iu- iub iue iui ixe ixi ixl j-i jbi jbj jbk jbl jbo jbu jeb jee jei jej jek jel jeo jeu jib jie jii jij jil jio jiu jjb jjj jjk jjl jju jkb jkk jkl jko jku jkx jlb jle jli jll jlo jlu jlx job joe joi joj jok jol joo jou jub jue jui juk jul juo jxl kbb kbe kbi kbk kbl kbo kbu kbx ke- keb kee kei kek kel keo kex kib kie kii kij kik kil kio kiu kix kjb kje kji kju kkb kke kki kkk kkl kku kl- klb kli klo klu klx kob koe koi kok kol koo kou kub kue kui kuj kuk kul kuu kxl kxo lbb lbe lbi lbj lbk lbl lbo lbu lbx leb lee lei lej lek lel leo leu lex lib lie lii lij lik lil lio liu lix lje ljj lju lkb lkl llb lle lli llj llk lll llo llu lob loe loi loj lok lol loo lou lox lub lue lui luk lul luo luu lux lxi lxo lxx o-i ob- obb obe obi obj obk obl obo obu obx oeb oee oei oel oeo oex oib oie oii oik oil oio oiu ojb oje oji ojo oju okb oke oki okj okk okl oko oku olb ole oli olk oll olo olu oo- oob ooi ook ool ooo oox ou- oue oui ouk oul ouo ox- oxb oxi oxo oxx ubb ube ubi ubk ubl ubo ubu ubx ueb uee uei uel uib uie uii uil uio uiu uji ujo ukb uke uki ukk ukl uku ulb ule uli ulk ull ulo ulu uob uoe uoj uok uol uoo uox uue uuu uxb uxo uxu xbe xbl xbx xee xel xeu xex xie xii xio xiu xix xjl xjo xkb xke xkl xlb xli xoi xok xoo xox xue xui xul xxi xxl xxo xxx