-up b-p b-u bbb bbc bbo bbp bbu bbw bby bcb bcc bco bcp bcu bcy bob boc boo bop bou bow boy bpb bpc bpo bpp bpu bpw bpy bub buc buo bup buu buw buy bwb bwc bwo bwp bwu bwy by- byc byo byp byu c-- cbb cbc cbo cbp cbu cbw cby ccb ccc cco ccp ccu ccw co- cob coc coo cop cou cow coy cpb cpc cpo cpp cpu cpw cub cuc cuo cup cuu cuw cuy cw- cwb cwc cwo cwp cwu cyb cyc cyo cyp cyw ob- obb obc obo obp obu obw oby oc- ocb occ oco ocp ocu ocw oo- oob ooc ooo oop oow op- opb opc opo opp opw opy ou- ouc ouo oup owb owc owo owp owu oww oyo p-p pbb pbc pbo pbp pbu pbw pby pcb pcc pco pcp pcu pcw pob poc poo pop pou pow poy ppb ppc ppo ppp ppu ppw pub puc pup puu puy pwb pwc pwo pwp pwu py- pyb pyc pyo pyu ubb ubc ubo ubp ubu ubw uby ucb ucc uco ucp ucu ucw uob uoc uoo uop uow up- upb upc upo upp upu upw uuc uuu uwb uwc uwp uww uyc uyo uyu wbb wbc wbo wbw wcb wcc wco wcp wcu wcw wob woc woo wop wou wow woy wpb wpc wpo wpp wpu wpy wub wuc wuo wup wwc wwo wwp wwu www wy- wyc wyo wyp ybc ybp yby ycc yco ycp ycu ycw ycy yob yoc yoo yop you yow yoy ypo ypu yuo yup yuu yuy ywc yyb yyc yyu yyy