a-ii aaaa aaab aaaf aaai aaap aaar aaas aaba aabb aabi aabp aabt aafa aafb aaff aafi aaib aaii aais aaoo aapa aapi aapo aaps aapt aara aari aaro aarp aars aart aasa aasf aasi aass aast aata aatf aatt abaa abab abaf abai abap abar abas abat abb- abba abbb abbi abbo abbr abbs abbt abff abia abib abir abis abit aboa abob abof aboo abor abos abot abpa abpi abpp abpr abps abra abri abro abrs abs- absa absf absi absp abss abta abts afaa afao afap afar afat afbs affa affi affo affs afft afia afib afif afir afis afit afoa afoo afor afpa afr- afra afri afro afrs afsa afsb afsp afst afta aftp afts aiai aias aiba aibo aiff aifs aiia aiib aiir aioi aipa aipf aipi aips aira airi airo airp airs airt aisa aisb aisi aiso aisr aist aita aitf aiti aitr aits aitt aoba aopo aora aorb aors aort aosp aoss aotf apai apao apap apar apas apat apba apbr apbs apfa apfo apft api- apia apio apip apis apit apo- apof apoo apop apor apos apot appa appr apps appt apra apri apro aprs aprt apsa apsi apso apss apta apti apts aptt arab araf arai arap arar aras arat arba arbi arbs arfa arfb arff arfs arft aria arib arif arii ario arip aris arit aroa arob aroi aroo aror aros arpa arpi arps arr- arra arri arro arrr arrs arrt ars- arsa arsi arso arst arta arti arto artr arts asaa asab asaf asai asao asap asar asas asat asba asbo asfa asfi asia asif asii asio asip asir asis asit asob asof asoi asop asor asos asot aspa aspi aspo aspr asps aspt asra asro asrs assa assi asso assp assr asss asst asta astb asti asto astp astr asts at-t ataa atab atai atap atar atas atat atbs atfb atfs atia atif atip atis atit atob atof atoi atop ator atos atot atpr atra atri atro atrp atsb atsi atst atta atti atto attp attr atts ba-i baaa baaf baar baas baat baba babb babi babo babr babs baff bafo baft baia baib baio bair bais bait baos bapa bapi bapp baps bapt bar- bara barb barf bari baro barr bars bart basa basf basi baso bass bast bata batf bati bato bats batt bbas bbbb bbbs bbpr bfas bffs bfpo bfpp bfsi bfsr bfta bfts bftt biaf biao biap biar bias biat biba bibb bibi bibo bibs bifa biff bifi biis bio- bioi bios biot bipa bipp bips bira birb biri biro birr birs birt bis- bisa biso bisp biss bist bita bito bits bitt boab boai boar boas boat boba bobb bobi bobo bobs bofa boff bofs boi- boii bois boit boob boof boop boor boos boot bopa bopp bops bor- bora borf bori boro borr bors bort bosa bosi boso boss bost bota botb boti boto bots bott bpai bpot bpsa bptf bpti brab braf brai brao bras brat bria brio bris brit broa brob broo bror bros brot brrr brrs brsb brsr brst bsaa bsap bsas bsat bsfa bsff bsfs bsos bspp bspr bsra bsts btaa btaf btbp btob btor btps btrt btss bttb faaa faap faas faba fabi fabo fabs fafa faff fafi fafo faio fair fais fait fapa fapp faps fara farb faro farp farr fars fart fasa fasi faso fass fast fata fatf fati fato fats fatt fbar fbis fbop fbrs ffar ffff ffii ffps ffrr ffsa ffss fftf fiaa fiaf fiap fiar fias fiat fiba fibp fibs fifa fiff fifi fifo fift fiii fior fios fipa fipp fips fira firs fisa fisi fiss fist fita fiti fits fitt foaf foar foba fobs fobt fofo foia fois foof foos foot fopp fops for- fora forb fori foro forr fors fort fosa fosb fosi foso foss fost fota foti foto fotp fots fott fpaa fpas fpra fprf frab frap fras frat fria frib frio frip fris frit frob frop fros frot frps frsb frso frst frta fsai fsas fsfi fsfo fsia fspf fsra fssa fssf fssp fsta ftii ftop ftos ftps ftrs ftsa ftsr iaaa iaai iaap iaas iaat iaba iaff iafp iaia iais iapa iapf iapp iaps iapt iara iars iart iasa iasi iaso iasp iasr iata iati ibar ibas ibat ibfi ibia ibis ibos ibot ibra ibri ibro ibsa ibsf ibss ibtb ibts ifaa ifao ifar ifas ifat ifbb ifis ifit ifor ifpa ifpo ifps ifra ifrb ifrf ifri ifsa ifsb ifso ifsp ifta ifto iias iifa iiii iiio iiis iiit iioi iioo iiop iios iipa iipf iira iirs iisi iisp iisr iist iita iitr iitt ioba iobi ioii ioio ioit ioof iooi iooo ioos iops iora iori iors ioso iota iotf ioto ipaf ipas ipat ipba ipop ipos ippa ippf ippo ippr ipri ipsa ipsi ipso ipsp ipss ipta ipto ipts iraf irai irao irap irar iras irbp iri- iria irio irip iris irob irop irpa irps irra irri irrs irsa irsf irsp irta irtf irti irtp irts is-a isaf isai isao isar isas isat isba isbt isfa isfp isia isis isit iso- isof isop isor isos ispa ispf ispr isps isra isri isrp issa issf issi isso issp issr isss ista isti isto istp istr ists itaa itaf itai itap itar itas itat itbs itfa itia itif itis itof itoi itoo itor itos itpa itra itrf itri itrs itsa itsf itsi itso itsp itta ittf itto oafo oafs oais oapi oaps oara oars oasi oass oast oats obai obas obba obbo obia obis obit oboi obor obos obot obra obri obro obsr obss obst obts ofas off- offa offo offr offs ofit ofor ofra ofst ofta oftp oiba oiii oios oira oirt oist oita oiti ooaa ooba oobi ooff oofs ooia oooo ooos oops oora oort oosa oosi oost ootb ootp oots opap opar opia opii opio opis opit opo- opor opos oppa oppi oppo opps opra opsa opsi opti opto opts orab orai orao orar oras orat orba orbb orbi orbo orbs orff orfi orfs ori-