k-os kkkk kknn kkno kkns kkon kkoo kkor kkpk kkpn kkps kkrk kkrn kkro kkrr kkrs kksn kksp kksr kkss knkk knnk knnr knns knok knon knop knor knpr knrk knro knrs knsk knsn knso knsp knsr knss kokk kokn koko kokp kokr koks konk kono konp kook koon kooo koop koor koos kopn kopp kopr kops kork korn koro korr kors kos- koso kosp kosr koss kpkk kpkr kpno kpnp kpns kpok kpoo kpop kppk kppo kppp kppr kprk kprn kpro kprp kprr kprs kpso kpsp krkk krkn krko krkr krks krnk krnn krno krnp krok kroo krop kror kros krpr krps krrk krrn krro krrr krrs krsk krsn krsr krss kskk kskn ksko kskr ksks ksnk ksnn ksnp ksnr ksns ksok kson ksoo ksop ksor ksos kspk kspn kspo kspr ksps ksrn ksro ksrp ksrr ksrs kssn ksso kssr ksss nkok nkor nksp nnnn nnos nnpr nnss noko non- nonn nono nons noo- nook noon nooo noop noor noos nops nor- nork norn noro norr nors nos- nosk noss npss nron nrpn nrps nrsp nskk nsnr nsok nsos nsps nsso nssp nssr nsss okko okno okok okon okor okpo okro okso onkp onno onon onor onos onso oons oooo ooos oops opo- opon opor opos oppo opps orko orno orns oro- orok oron oror oros orps orro orrs orsk orso osno osnr osoo osor osos osro osso pnkp pnon pnpo pnpp pnro poko ponk pono ponp pons pook poon poop poor poos pop- popo popp pops pork porn poro porr pors posk posn poso poss ppos pppn pppo pppp ppps ppss prnp pro- pron proo prop pros prps prrs prso prss psnr pson psos pspp pspr psps psrk psrp psso rkos rkss rnsp rokk roko rokr roks ronk rono rons rook roon roop roor roos ropo rops rork roro roso rosp ross rpon rpos rppn rpps rrrr rrsp rsnn rsno rsnr rsos rspk rspo rsps s-os skn- skon skop skor skpo skss snns snoo snop snor snos snpo snpp snrk snrs sokk sokn soko son- sonk sono sons sook soon soop soor soos sopo sopp sops sorn soro sorr sors soso soss spkr spns spok spon spoo spop spor spos spps spro sprs spso spsp spss srnn srno sros srps srsp ssns ssop sspo ssps ssrs ssss