-ly -ol b-u bbb bbk bbl bbo bbt bbu bby bkb bkk bkl bko bkt blb blk bll blo blt blu bly bob bok bol boo bot bou boy btb btk btl bto btt btu bty bub buk bul buo but buu buy by- byk byl byo byt byu k-t kbb kbk kbl kbo kbu kkb kkk kkl kkt kku kky kl- klb klo klt klu kly kob kok kol koo kot kou koy ktb ktk ktl kto ktt ktu kub kuk kul kut kuu kuy kyl kyo kyt kyu lbb lbk lbl lbo lbt lbu lkb lkl lkt lky llb llk lll llo llt llu lly lob lok lol loo lot lou loy ltb ltk ltl lto ltt ltu lub luk lul luo lut luu luy lyk lyl lyo lyt ob- obb obk obl obo obt obu oby okb okk okl oko oku olb olk oll olo olt olu oly oo- oob ook ool ooo oot ot- otb otk otl oto ott otu ou- ouk oul ouo out oyl oyo tbb tbk tbl tbo tbt tbu tkb tkk tkl tko tkt tky tlk tll tlo tlt tlu to- tob tok tol too tot tou toy ttb ttk ttl tto ttt ttu tty tub tuk tul tuo tut tuu tuy tyl tyo tyt ubb ubk ubl ubo ubt ubu uby ukb ukk ukl uku ulb ulk ull ulo ult ulu uly uob uok uol uoo uot utb utk utl uto utt utu uty uut uuu uyo uyu ybl yby ykk ylk yll ylt yly yob yok yol yoo yot you yoy ytk ytl yto ytt ytu yuk yul yuo yut yuu yuy yyb yyt yyu yyy