-ic c-- ccc cci cck cco ccs ccu ccw ci- cic cii cik cio cis ciu ciw ckc cki cko cks ckw co- coc coi cok coo cos cou cow csc csi csk cso css csu csw cuc cui cuk cuo cus cuu cuw cw- cwc cwi cwk cwo cws cwu icc ici ick ico ics icu icw iic iii iio iis iiu iiw ikc iki ikk iko iks iku io- ioc ioi ioo ios iou iow is- isc isi isk iso iss isu isw iu- iuc iui ius iwc iwi iwk iwo iws iwu iww kcc kci kck kcs kcu kic kii kik kio kis kiu kkc kki kkk kks kku koc koi kok koo kos kou kow ksc ksi ksk kso kss ksu ksw kuc kui kuk kus kuu kw- kwc kwi kwk kwo kws kww o-i oc- occ oci ock oco ocs ocu ocw oic oii oik oio ois oiu okc oki okk oko oks oku okw oo- ooc ooi ook ooo oos oow os- osc osi osk oso oss osu osw ou- ouc oui ouk ouo ous owc owi owk owo ows owu oww scc sci sck sco scs scu scw sic sii sik sio sis siu siw sk- skc ski skk sko sks sku skw soc soi sok soo sos sou sow ss- ssc ssi ssk sso sss ssu ssw suc sui suk suo sus suu suw swc swi swk swo sws swu ucc uci uck uco ucs ucu ucw uic uii uio uis uiu ukc uki ukk uku uoc uok uoo uos uow usc usi usk uso uss usu usw uuc uus uuu uwc uws uww wcc wci wck wco wcs wcu wcw wic wii wik wis wiu wkc wko wks wkw woc woi wok woo wos wou wow wsc wsi wsk wso wss wsu wsw wuc wuo wus wwc wwi wwo wwu www