a-a a-b a-i aaa aab aaf aai aao aar ab- aba abb abf abi abo abr af- afa afb aff afi afo afr ai- aia aib aif aii aio air aoa aob aof aoi aoo aor ar- ara arb arf ari aro arr baa bab baf bai bao bar bba bbb bbf bbi bbo bbr bfa bfb bff bfi bfo bfr bi- bia bib bif bii bio bir boa bob bof boi boo bor bra brb brf bri bro brr faa fab faf fai fao far fba fbb fbf fbi fbo fbr ffa fff ffi ffo ffr fia fib fif fii fir foa fob fof foi foo for fra frb frf fri fro frr i-f ia- iaa iab iaf iai iao iar iba ibb ibf ibi ibo ibr ifa ifb iff ifi ifo ifr iia iib iif iii iio iir io- ioa iob iof ioi ioo ior ir- ira irb irf iri iro irr o-i oaa oab oaf oai oao oar ob- oba obb obf obi obo obr of- ofa ofb off ofi ofo ofr oia oib oif oii oio oir oo- ooa oob oof ooi ooo oor or- ora orb orf ori oro orr ra- raa rab raf rai rao rar rba rbb rbf rbi rbo rbr rfa rfb rff rfi rfo rfr ria rib rif rii rio rir roa rob rof roi roo ror rra rrb rrf rri rrr

a-ii aaaa aaab aaaf aaai aaar aaba aabb aabi aafa aafb aaff aafi aaib aaii aaoo aara aari aaro abaa abab abaf abai abar abb- abba abbb abbi abbo abbr abff abia abib abir aboa abob abof aboo abor abra abri abro afaa afao afar affa affi affo afia afib afif afir afoa afoo afor afr- afra afri afro aiai aiba aibo aiff aiia aiib aiir aioi aira airi airo aoba aora aorb arab araf arai arar arba arbi arfa arfb arff aria arib arif arii ario aroa arob aroi aroo aror arr- arra arri arro arrr ba-i baaa baaf baar baba babb babi babo babr baff bafo baia baib baio bair bar- bara barb barf bari baro barr bbbb biaf biao biar biba bibb bibi bibo bifa biff bifi bio- bioi bira birb biri biro birr boab boai boar boba bobb bobi bobo bofa boff boi- boii boob boof boor bor- bora borf bori boro borr brab braf brai brao bria brio broa brob broo bror brrr faaa faba fabi fabo fafa faff fafi fafo faio fair fara farb faro farr fbar ffar ffff ffii ffrr fiaa fiaf fiar fiba fifa fiff fifi fifo fiii fior fira foaf foar foba fofo foia foof for- fora forb fori foro forr frab fria frib frio frob iaaa iaai iaba iaff iaia iara ibar ibfi ibia ibra ibri ibro ifaa ifao ifar ifbb ifor ifra ifrb ifrf ifri iifa iiii iiio iioi iioo iira ioba iobi ioii ioio ioof iooi iooo iora iori iraf irai irao irar iri- iria irio irob irra irri oafo oara obai obba obbo obia oboi obor obra obri obro off- offa offo offr ofor ofra oiba oiii oira ooaa ooba oobi ooff ooia oooo oora orab orai orao orar orba orbb orbi orbo orff orfi ori- oria orif orio oro- orof oror orra orri orro raab raaf raba rabb rabi rabo rafa raff rafi raia raif raii rair raob rara rarb rarf rari raro rbaf rbbb rbbr riaa riab riai rib- riba ribo rifa riff riia riif riri roab roaf roar rob- roba robb robi robo roff rofo roia roif roio roir roob roof rooi roor rora rori roro rrif rrrr

-aaa- a-fib a-iii aaaai aabaa aabba aabra aafir aaiib aaria abaab ababa abaia abair abara abari abbai abbar abbia abfab abio- abira aboab abobo abora abrar afair afara afari affif affor afifa afro- afrob aiaff aiaia aibar aiboa aifar airai airba airof airor ar-ab arab- araba arabi arabo arafo araia arara arari arbab arbar arbia arbib arbir arbor ariab aribo arioi aroab aroar aroba aroof aroor arora arrai arria baari babai babar babia babio baboo babra baffa baffi bafia bafra baiao baiba baira bairo baori baoro baraa barab barai barao barar barba barbi barff barfi bari- baria bario baro- baroa barof baroi baroo baror barra barri barro bbiab bbiaf biafr biara biari bibar bibbo bibia bibio bibra bibri biffa biffi biffo bifor birao birar birba bo-bo boaro bobar bobbi bobr bobri boffa boffi boffo boiai boiar boiro booba boora borai borba borbo boria borio boro- boroa boroo borra borro braai braff briar brobo brora brrar brrrr fabbo fabfi fabia fabio faboo fabor fabra fabri fabro fafia faora farab farao farbo farfa faria fario farob faroo farro fibia fibr- fibra fibro fiora fiori fobar fobia fofao foiba foir- for-a forio forra forro fraba frari friar friba froia ibaba ibafa ibara ibiai ibibo ibora if-- ifafa iiiii ioooi ioooo iorio iraia irara iriaf iriba irobo irofa irori o-r-b oaror obaba obara obiba obira obora oboro obrab ofafa ofair offir offof ofira ofora ofori oibab ooioo ooooo oraba orabi oraio orara orari orfar orfor oriab oribi orobo orria ra-ra raaba raaff raaor rabab rabai rabba rabbi rabia rabif rabor rabri rafar raffa raffi rafia raiff raraf ri-fi riaba ribar ribbi ribo- riffa riria ro-ro robab robai robar robbi robbo robo- robor roffa rofia rofor rooba rorra

aaaaba aabroo aafair aarabi abaiba abaira abaroa abiria abobra abrafo affair affori aforia airaia aoraia araafa arabia arabo- araira ararao araria arbabi arbori arbra arfara arfarf arraba arriba arroba baabaa baabar baaria baaror babbar bafaro baiara bairia bairoa bairoi bairro baobab bar-or barafi barara barari barbar barbra barbri barbro bariba bario- bariri barrai barria barrio bbbbbb biafra biaora bibiri bifara bifora biobor biofar biriba biribi biroba birori birria boabab bobaia bobara bobbar bobbio bobiri booboo borbor bororo brairo bribir bribri briffa fabao fabara fabbri fabbro faifai faraar farabi faraib farara farfar fariba farofa faroff farrar fiafia fibbia fibria fibro- fobiri foboff foobar foofoo forari forbar forbra forfar frafra frbroo ibario ibarra ibiara ibibio ibira iiooio irafar oario- offair offrir oforia oibara oooooo