-ic -up c-- ccc cci cck cco ccp ccr ccs ccu ci- cic cii cik cio cip cir cis ciu ckc cki cko cks co- coc coi cok coo cop cor cos cou cpc cpi cpk cpo cpp cpr cps cpu crc cri crk cro crp crr crs cru csc csi csk cso csp csr css csu cuc cui cuk cuo cup cur cus cuu icc ici ick ico icp icr ics icu iic iii iio iip iir iis iiu ikc iki ikk iko ikr iks iku io- ioc ioi ioo iop ior ios iou ipc ipi ipo ipp ipr ips ipu ir- irc iri irk iro irp irr irs iru is- isc isi isk iso isp isr iss isu iu- iuc iui iup iur ius kcc kci kck kcp kcr kcs kcu kic kii kik kio kip kir kis kiu kkc kki kkk kkp kkr kks kku koc koi kok koo kop kor kos kou kpc kpi kpk kpo kpp kpr kps kpu krc kri krk kro krp krr krs kru ksc ksi ksk kso ksp ksr kss ksu kuc kui kuk kup kur kus kuu o-i oc- occ oci ock oco ocp ocr ocs ocu oic oii oik oio oip oir ois oiu okc oki okk oko okp okr oks oku oo- ooc ooi ook ooo oop oor oos op- opc opi opk opo opp opr ops or- orc ori ork oro orp orr ors oru os- osc osi osk oso osp osr oss osu ou- ouc oui ouk ouo oup our ous p-p pcc pci pck pco pcp pcr pcs pcu pic pii pik pio pip pir pis piu pkc pki pko pkp pkr pks pku poc poi pok poo pop por pos pou ppc ppi ppk ppo ppp ppr pps ppu prc pri prk pro prp prr prs pru ps- psc psi psk pso psp psr pss psu puc pui puk pup pur pus puu rcc rci rco rcp rcr rcs rcu ric rii rik rio rip rir ris rkc rkk rko rkp rks rku roc roi rok roo rop ror ros rou rpc rpi rpk rpo rpp rpr rps rpu rrc rri rrk rrp rrr rrs rru rsc rsi rsk rso rsp rsr rss rsu ruc rui ruk ruo rup rur rus ruu scc sci sck sco scp scr scs scu sic sii sik sio sip sir sis siu sk- skc ski skk sko skp skr sks sku soc soi sok soo sop sor sos sou spc spi spk spo spp spr sps spu sr- src sri srk sro srp srr srs ss- ssc ssi ssk sso ssp ssr sss ssu suc sui suk suo sup sur sus suu ucc uci uck uco ucp ucr ucs ucu uic uii uio uip uir uis uiu ukc uki ukk ukp ukr uku uoc uok uoo uop uor uos up- upc upi upk upo upp upr ups upu ur- urc uri urk uro urp urr urs uru usc usi usk uso usp usr uss usu uuc uur uus uuu