isco iscr iscs iscu isgc ishi ishr ishs isic isin isis isno iso- isoc ison isor isos isrg isri issc issh issi isso issr isss issu isuh isus iucc iugs iuiu iuno iuss n-ii nbbc nbbo nbcc nbci nbco nbcs nbhs nbic ncbc ncbi ncbs nccc ncci nccn nccr nccs nccu ncgr ncgs nchc nchs ncis ncnc ncoc ncor ncos ncrc ncri ncsc ncsi ncss nghs ngic ngio ngns ngon ngor ngos ngou ngri ngsn ngur nguu nhcc nhhs nhis nhnn nhon nhrc nhsc nibi nibo nibs nicc nich nici nico nics nicu nigc nigg nigh nigo nigs niir niiu ning ninh nini nino nins niog nioh nion nioo nios niou niro nirs niru nish nisi niso niss nisu niur nngn nnhs nnnn nnos nnss nobc nobi nobo nobs nobu noch noci noco nocs nogg nogh nogo nogs nohn noho nohs noib noin noio noir nois non- nong noni nonn nono nons nonu noo- noob noon nooo noor noos nor- norb norc norg nori norn noro norr nors nos- nosh noss nosu nouh noun nour nous nrcs nrhs nric nroc nron nrrc nrsc nsbo nscc nscs nshs nsic nsin nsis nsnr nsos nsou nsrc nssb nssc nsso nssr nsss nsub nubc nubi nubs nuch nuci nucs nucu nugs nuhi nuin nunc nung nunn nuno nuns nuoc nuon nurc nuri nurn nurr nurs nuru nush nusi nuss nusu obbo obhs obin obis oboi obon obor obos obrh obri obro obsn obsr obss obuh obus ocbc occc occi occn ochi ochs ocin ocis ocon ocos ocro ocrr ocrs ocur ogb oggi oghi oghs ogin ogni ogog ogoi ogon ogou ogri ogro ogsi ogui ogun ogus ohcc ohgr ohhi ohho ohhs ohio ohis ohno ohob ohoh ohos ohrn ohso ohss ohus oici oigo oiii oins oion oios oisc oisu onc- onco ongi ongo ongu onic onir onis onni onno onon onor onos onsc onso onur onus oobi oocr ooho oohs oons oooh oooo ooos oosi oous orbb orbi orbo orbs orbu orch orci orco orcs orgn orgo orgs orhs ori- oric orig orin orio oris ornc orni orno orns oro- oron oror oros orri orro orrs orsi orso orsu orub orus oscc osci osco osgi oshc oshi osho oshs oshu osii osin osis osno osnr osoi osoo osor osos osro ossb ossi osso ossu osun oubs oucc ouch ough ouii ouin ouir ouis oun- oung our- ourn ouro ours ouu- rbbb rbbr rbbs rbgh rbhs rbis rboh rbss rcbc rcbo rccb rccc rccs rcgc rchb rchs rcic rcis rcnr rcon rcos rcrg rcsc rcsi rcss rgbi rghs rhbg rhcg rhhs rhib rhin rhio rhob rhoc rhog rhoh rhon rhos rhug rhun rhus rib- ribo ribs ribu ricc rich rico rics rigg righ rigi rigo rigs rigu riho rihs riin riis ring rinn rino rion rios riou riri rirs risc rish risi riso riss risu rius rnbr rnco rncs rngs rnin rnsh rob- robb robi robo robs robu rocc roch roco rocs rogg rogh rogi rogo rohn rohr rohs rohu roig roin roio roir rois roiu ronc rong roni rono rons roob roog rooi roon roor roos rorc rori roro roru rosc rosh rosi roso ross roub rouh roun rous rrhs rrrr rrun rsbi rscc rsch rscn rscs rsgb rsgc rshs rsis rsnn rsno rsnr rsos rubb rubi rubs rubu ruch ruci rugg rugh rugi rugs ruhh ruhi ruhn ruhr ruhs ruin ruis runc rung runi runn runo runs rurc ruri ruro rurs ruru rush rusi ruso russ rusu ruun s-ib s-ic s-ii s-os sbbs sbcc sbcs sbhc sbhs sbic sbig sbor sbsi sbus scbi sccc sccs scgs sch- schh schi scho schr schs sci- scic scin scio scir scis scnr scob scog scoh scon scoo scor scr- scrc scri scrn scrs scsc scsh scsi scsn scso scsr scsu scub scug scun scur sgcb sgcg sggg sggs sghc sghs sgic sgio sgro sgsh sgss shbs shcc shgc shgr shhh shhs shib shig shih shii shin shio shir shis shiu shog shon shoo shor shos shou shri shrs shsc shub shug shui shun shur shus shuu sibc sibi sibo sibs sibu sicc sich sici sico sics sicu sigg sigh sigi sign sigo sigs sihi sihr sihs sihu sing sinh sini sinn sino sins sinu sion sior sios siou sirc siri siro sirr sirs siru sisc sish sisi siss sisu siui sius sncc snco snhs snib snig snir snns snob snoc snog snoo snor snos snrs snub snug snur snus sobo sobr sobs sobu soch soci soco socr socs sogh sogi sogn sogo sogs sohh sohn soho sohs sohu soic soin soir sois son- song soni sono sons sonu soog soon soor soos sorb sorg sorh sori sorn soro sorr sors soru sosh sosi soso soss soun sour sous srbc srcc srch srgb srhs srib sris srni srnn srno sros srub ssbn ssbr sscc ssci sscs ssgs sshs ssin ssis ssns ssoc ssrc ssrg ssri ssrs sssb sssc sssh sssi ssss sub- subb subg subh subi subo subs suc- succ such suci sucr sucs sug- sugg sugh sugi sugo suhb suhi suho suhr suig suin suio suir suis sun- sunb sung suni sunn suno suns sunu suoh suor suos sur- surc surg suri surn suro surr surs suru sus- susi suso suss susu suus ubbi ubbo ubic ubii ubir ubis uboc ubon ubos ucbc ucci uchi ucho uchs ucin ucio ucon ucos ucrc ucsb ucsc ucsu ugcc ugcg uggo uggs ughi ughs ugis ugni ugos ugri ugro ugur uguu uhno uhoh uhrs uhss uhuh uirr uncc uncg unch unci unco uncs ungo ungu uni- unic unii unin unio unir unis unni unno unns unon unos unro unrs uns- unsc unsg unso unus uocc uor- urbi urbs urch urci urgh urgi urgu urho urib uric urin uris uriu urni urns uro- uroo urrh urri ursi urso urss ursu urun urur urus usbc usbr usbs uscc uscg usch usco uscs usgo ushi usho ushr ushs ushu usin usis usnc usno usnr usnu usoc usog usoi usos ussb ussc ussr usss ussu usui usun usus uuni uuno uuoc uuri