-ous k-os kkkk kknn kkno kkns kknu kkon kkoo kkor kkrk kkrn kkro kkrr kkrs kksn kksr kkss kksu kkus kkuu knkk knnk knnr knns knok knon knor knou knrk knro knrs knsk knsn knso knsr knss knsu knuk knur knus kokk kokn koko kokr koks koku konk kono kook koon kooo koor koos koou kork korn koro korr kors koru kos- koso kosr koss kosu kour kous kouu krkk krkn krko krkr krks krku krnk krnn krno krnu krok kroo kror kros krrk krrn krro krrr krrs krsk krsn krsr krss krsu kruk krun krur kskk kskn ksko kskr ksks ksku ksnk ksnn ksnr ksns ksok kson ksoo ksor ksos ksou ksrn ksro ksrr ksrs kssn ksso kssr ksss kssu ksun ksuu kukk kukn kuks kuku kunk kuno kunr kuns kunu kuok kuon kuoo kuos kurk kuro kurr kurs kuru kusn kuso kusu kuuk kuur kuuu nkok nkor nnnn nnos nnss noko non- nonn nono nons nonu noo- nook noon nooo noor noos nor- nork norn noro norr nors nos- nosk noss nosu noun nour nous nron nskk nsnr nsok nsos nsou nsso nssr nsss nuku nunk nunn nuno nuns nuon nurn nurr nurs nuru nuss nusu nuuk okko okno okok okon okor okro okso okun okur okus onno onon onor onos onso onur onus ooku oons oooo ooos oous orko orno orns oro- orok oron oror oros orro orrs orsk orso orsu orus osku osno osnr osoo osor osos osro osso ossu osun oun- our- ourn ouro ours ouu- rkos rkss rokk roko rokr roks roku ronk rono rons rook roon roor roos rork roro roru roso ross rouk roun rous rrrr rrun rsnn rsno rsnr rsos rukk rukn ruku runk runn runo runs ruok ruro rurs ruru rusk ruso russ rusu ruun s-os skn- skon skor skss skun skur snns snoo snor snos snrk snrs snur snus sokk sokn soko soku son- sonk sono sons sonu sook soon soor soos sorn soro sorr sors soru soso soss souk soun sour sous srnn srno sros ssns ssrs ssss suks suku sun- sunk sunn suno suns sunu suor suos sur- surn suro surr surs suru sus- susk suso suss susu suus ukko ukok ukon ukur unkn unko unks unno unns unon unos unro unrs uns- unso unus uor- urns uro- urok uroo urso urss ursu uruk urun urur urus us-k usno usnr usnu usos ussr usss ussu usun usus uuno uuuu