a-ii aaaa aaac aaaf aaai aaal aaar aaas aaca aacc aacf aaci aacl aacr aacs aafa aafc aaff aafi aafl aaic aaii aais aala aalc aali aall aals aara aarc aari aars aasa aasc aasf aasi aass acaa acac acai acar acas acca accc accf acci accs acfc acfi acfl acfs aci- acia acic acif acir acis acla aclc acli aclr acls acr- acra acrc acri acrr acrs acsa acsc acsi acsl acss afaa afar afca afcc afci afcs affa affc affi affs afia afif afil afir afis afla aflc afr- afra afrc afri afrs afsa afsc aiai aias aica aicc aicf aicr aics aiff aifl aifs aiia aiic aiir aila aili ails aira airi airs aisa aisi aisl aisr alaa alac alai alal alar alas alca alcc alcs alfa alfi alfs ali- alia alif alii alil alir alis all- alla alli alll allr alls alsa alsc arac araf arai aral arar aras arc- arca arci arcs arfa arfc arff arfs aria arif arii aril aris arla arli arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asac asaf asai asal asar asas asc- asca ascc asci ascl ascr asfa asfi asia asic asif asii asil asir asis asla asli aslr asra asrc asrs assa assc assi assl assr asss caaa caac caaf caal caas cac- caca cacc caci cacr cafa cafc caff cafl cafs caia caic cail cair cais cala calc calf cali call cals cara carc carf cari carl carr cars casa casc casi casl casr cass ccaa ccac ccaf ccai ccar ccas ccca cccc cccf ccci cccl cccs ccfa ccfc ccff ccfi ccfl ccic ccii ccil ccir ccis ccla cclc ccli ccls ccra ccrc ccrf ccri ccrl ccrs ccsa ccsf ccsi ccsl ccss cfaa cfac cfar cfca cfcf cfcl cfcs cffr cfia cfls cfra cfsa cfsi cfsl ciaa cial ciar cias cica cicc cici cicr cics cifa ciff cifl cifs ciia ciii ciis cila cili cill cils cira circ ciri cirl cirr cirs cis- cisa cisc cisl cisr ciss claf clai clar clas clic clif clii clir clis clra clri clrs clsa clsc crac craf crai crar cras crca crcc crcr crfc crfl crfs cria cric crif cris crlf crls crsa crss csaa csac csar csas cscc cscf csci cscl cscr cscs csfc csfr csia csir csis csla cslr csra csrc csrs cssa cssr faaa faac faas faca facc facs fafa fafc faff fafi fail fair fais fala falc fali fall fals fara farc farl farr fars fasa fasc fasi fass fcal fcar fcas fcca fccf fcic fcii fcra fcsc fcsl ffar ffcc ffff ffii ffrr ffsa ffss fiaa fiac fiaf fial fiar fias fica ficc fics fifa fifc fiff fifi fiii fiil fila fili fill fils fira firs fisa fisc fisi fiss flac flcl flia flic flii flis frac fras frcc frfc fria fric fril fris frla frsc fsai fsas fscc fsfi fsia fsra fssa fssc fssf iaaa iaac iaai iaal iaas iaca iacc iacr iacs iafc iaff iafl iaia iais iala iall ials iara iarc iars iasa iasc iasi iasr icaa icac icaf icai ical icar icas icca iccc iccf icci iccl iccr iccs icis icll iclr icra icrc icrf icrr icrs icsa icsc icsi icsr icss ifaa ifac ifar ifas ific ifil ifis ifla ifra ifrf ifri ifsa ifsc iiac iias iica iifa iiii iiis iila iira iirc iirs iisc iisi iisr ilac ilal ilar ilas ilca ilia ilic ilir ilis ill- illa illi ills ilsa irac iraf irai iral irar iras irca ircc ircs iri- iria iric iril iris irla irra irrc irri irrs irsa irsf is-a isac isaf isai isal isar isas isca iscc isci iscr iscs isfa isfc isia isic isil isis isla isls isra isri issa issc issf issi issr isss laaa laac laal laar laas laca lacc laci lacl lacs lafc laff laia laic lail lair lais lala lali lall lara larc larf lari larr lars lasa lasi lass lcac lcca lccc lccs lcfc lcfr lcia lcis lcls lcra lcrl lcrs lcsc lcsr lfca lfcc liac liar lias lica licr lics lifa liff lifl liia liii liir liis lila lili lill lils lira lirc liri lirl lirr lirs lisa lisi liss llcc llcs lllc llll lrac lral lrcs lrfc lric lrif lrrc lrrr ls-r lscs lsfc lsla lsrc lssa lssr raaf raas rac- raca racc raci racs rafa rafc raff rafi raia raic raif raii rail rair rais rala ralf rall rara rarf rari rars rasa rasc rasi rasl rass rcac rcaf rcas rccc rccs rcfc rcic rcis rcls rcsa rcsc rcsi rcsl rcss rffc rffl rfic riaa riai rial rias rica ricc rics rifa riff rifs riia riif riis rila rill riri rirs risa risc risi riss rlcs rlif rlls rras rrfc rrif rrrr rsaa rsaf rsai rscc rscs rsfc rsis rslc rssa rssl s-ic s-ii sa-c saac saaf saal saar saas saca sacc saci sacr sacs safa safc saff safi safr saia saic saif sail sair sais sala salc salf sali sall sals sara sarc sarf sari sarl sarr sars sasa sasc sasf sasi sasl sass scaa scac scaf scai scal scar scas sccc sccl sccs scfa scfc scfi sci- scia scic scif scil scir scis scl- sclc scls scr- scra scrc scri scrs scsa scsc scsi scsl scsr sfar sfas sfca sfcc sfcs sffc sfia sfla sflc sfls sfra sfrc sfss siaa siac siaf siai sial sias sica sicc sici sics sifa siff sifl sifr sil- sila silc silf sili sill sils sira sirc sirf siri sirr sirs sisa sisc sisi siss sl-i slaa slac slaf slai slas slcc slic slir slrc slrs slsa slsc sraf sras srcc srfc srfi sris ssaa ssac ssas ssca sscc ssci sscs ssfc ssfl ssis ssla sslc ssra ssrc ssri ssrl ssrs sssa sssc sssf sssi ssss