iacu iafc iaff iafl iaia iais iala iall ials ialu iasa iasc iasi iaso ibac ibas ibca ibcs ibfi ibia ibis ibos ibsa ibsf ibss ibus icaa icab icac icaf icai ical icao icas icbc icbs icca iccb iccc iccf icci iccl icco iccs iccu icfb icis icll icoc icos icsa icsb icsc icsi icss icub icus ifaa ifac ifao ifas ifbb ifco ific ifil ifis ifla ifsa ifsb ifsc ifso iiac iias iica iifa iiii iiio iiis iila iioi iioo iios iisc iisi iisu iiuc ilac ilal ilas ilbc ilca ilia ilic ilio ilis ill- illa illi illo ills iloc iloo ilos ilsa ilus ioba iobi ioci iofc ioii ioio iola iolo ioof iooi iooo ioos ioso iosu ious is-a isac isaf isai isal isao isas isba isbl isca iscc isci isco iscs iscu isfa isfc isia isic isil isis isla isls iso- isoc isof isol isos issa issc issf issi isso isss issu isua isus iucc iuiu iuss laaa laac laal laas laba labi labo labs labu laca lacc laci lacl laco lacs lacu lafb lafc laff laia laic lail lais lala lali lall lalo lalu laos laou lasa lasi laso lass lasu laub lauf laul laus lbcc lbia lbos lbsc lcac lcbc lcca lccc lccs lcfc lcia lcis lcls lcsc lfca lfcc liac liao lias liba libc libo libs libu lica lico lics lifa liff lifl lifo liia liii liis lila lilb lili lill lilo lils lilu lio- lios lisa lisi liso liss lisu liua liuf lius llao llbs llcc llcs lllc llll lloa lloc lloo loac loaf loas lob- loba lobb lobi lobo lobs loca locc loci loco locs locu lofa loff lofi loic loif lois loiu lola loli loll lolo lols loob looc loof lool loos losa losc losi loso loss loui loul lous louu lsbu lscb lsco lscs lsfc lsla lsof lssa lsso luai luas luau luba lubs luca luci lucs luff lufu luif luis lula luli lull lulu lusa lusi luso luss luua oaau oafc oafo oafs oaic oais oall oasc oasi oasl oass obai obal obas obba obbo obia obis obla obls oblu oboi obol obos obss obus ocab ocac ocal ocas ocbc occa occc occi ocfa ocis oclc ocos ocsa ocul ofas ofcl off- offa offc offo offs offu ofla ofus oiba oici oiii oila oils oios oisc oisu olac olaf olas olba olbo olca olcc olfa olfs olia olib olic olio olis olla olli ollo olof olos olsi ooaa ooba oobi ooff oofs ooia oola oolo oooo ooos oosa oosi oous osaf osai osas osba osca oscc osci oscl osco osfa osia osii osis osla osli oslo osoi osoo osos ossa ossb ossi osso ossu osul ouac oubs oucc oufc ouff ouii ouis oula ouls oulu ousa ouu- s-ib s-ic s-ii s-os sa-c saab saac saaf saal saas saba sabb sabc sabi sabo sabs sabu saca sacc saci saco sacs sacu safa safb safc saff safi safo safu saia saic saif sail sais sala salc salf sali sall salo sals salu saoi saol saos saou sasa sasc sasf sasi sasl saso sass saua sauc sauf saul saus sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbfc sbia sbic sbsa sbsi sbus scaa scab scac scaf scai scal scas scba scbi sccc sccl sccs scfa scfc scfi sci- scia scic scif scil scio scis scl- sclc scls scob scol scoo scsa scsc scsi scsl scso scsu scua scub scul sfas sfba sfbc sfca sfcc sfco sfcs sffc sfia sfio sfla sflc sfls sfos sfss sfsu siaa siab siac siaf siai sial sias siau siba sibc sibi sibo sibs sibu sica sicc sici sico sics sicu sifa siff sifl sifo sifu sil- sila silc silf sili sill silo sils silu siol sios siou sisa sisc sisi siss sisu siui sius sl-i slaa slab slac slaf slai slas slau slcc slcu slib slic slob sloc sloo slos slsa slsc slsu slub sluc soal soas soba sobo sobs sobu soca soci socl soco socs sofa sofi sofo soia soic soif soil sois sola solf soli soll solo sols soof sool soos sosa sosi soso soss souf soul sous ssaa ssab ssac ssao ssas ssau ssca sscc ssci sscs ssfc ssfl ssis ssla sslc ssoc sssa sssb sssc sssf sssi ssss suas sub- suba subb subi subl subo subs suc- succ suci sucs suf- sufa sufc suff sufi sufs sufu suio suis sul- sula sulc sulf suli sull sulo sulu suos sus- susa susi suso suss susu suus uabc uaca uafa uaoc uasa uaua ubac ubal ubba ubbi ubbo ubic ubii ubis ubla ubli ublo ubls uboc ubos ucai ucal ucas ucbc ucca ucci ucfa ucfb ucil ucio ucla ucos ucsa ucsb ucsc ucsf ucsu ucua ufcu uffa ufos uica ulaa ulai ulas ulbc ulcc ulco ulic ulla ulli ullo ulo- uloc ulos ulsa ulua ulul ulus uocc uofa uofl uofo uolc us-a usaa usac usaf usal usas usba usbc usbl usbs usca uscc uscf usco uscs usfa usfc usfi usfl usfs usia usif usis uslu usoc usoi usos ussa ussb ussc ussf usss ussu usua usui usul usus uulu uuoc uusi uuuu