a-ii aaaa aaab aaaf aaai aaal aaar aaba aabb aabi aabl aafa aafb aaff aafi aafl aaib aaii aala aali aall aalo aaoo aara aari aaro abaa abab abaf abai abal abar abb- abba abbb abbi abbo abbr abff abia abib abil abir abla ablo aboa abob abof abol aboo abor abra abri abro afaa afao afar affa affi affo afia afib afif afil afir afla afoa afol afoo afor afr- afra afri afro aiai aiba aibl aibo aiff aifl aiia aiib aiir aila aili aioi aira airi airo alaa alai alal alao alar alb- alba albi albo alfa alfi ali- alia alib alif alii alil alio alir all- alla alli alll allo allr aloa alof aloi alol aloo alor alro aoba aola aora aorb arab araf arai aral arar arba arbi arfa arfb arff aria arib arif arii aril ario arla arli arlo aroa arob aroi aroo aror arr- arra arri arro arrr ba-i baaa baaf baal baar baba babb babi babo babr baff bafo baia baib bail baio bair bala balf bali ball balo baol bar- bara barb barf bari baro barr bbbb bblb bffl biaf bial biao biar biba bibb bibi bibl bibo bifa biff bifi bila bili bill bilo bio- bioi biol bira birb biri birl biro birr blaa blab blio blir blob bloo boab boai boal boar boba bobb bobi bobo bofa boff boi- boii boil bola boli boll bolo boob boof bool boor bor- bora borf bori boro borr brab braf brai brao bria bril brio broa brob brol broo bror brrr faaa faba fabi fabo fafa faff fafi fafo fail faio fair fala fali fall falo fara farb farl faro farr fbar fbla ffar ffff ffii ffrr fiaa fiaf fial fiar fiba fifa fiff fifi fifo fiii fiil fila fili fill filo fior fira flab flao flia flii flob floo flor foaf foal foar foba fofo foia foil fola foli foll folo folr foof fool for- fora forb fori forl foro forr frab fria frib fril frio frla frob frol iaaa iaai iaal iaba iaff iafl iaia iala iall iara ibar ibfi ibia ibra ibri ibro ifaa ifao ifar ifbb ifil ifla ifor ifra ifrb ifrf ifri iifa iiii iiio iila iioi iioo iira ilal ilar ilia ilio ilir ill- illa illi illo iloo ioba iobi ioii ioio iola iolo ioof iooi iooo iora iori iraf irai iral irao irar iri- iria iril irio irla irlb irob irra irri laaa laal laar laba labi labo labr lafb laff laia lail lair lala lali lall lalo lara larb larf lari larr lbar lbia lblr liao liar liba libo libr lifa liff lifl lifo liia liii liir lila lilb lili lill lilo lio- lior lira liri lirl liro lirr llao llll lloa lloo loaf loar lob- loba lobb lobi lobo lofa loff lofi loif loir lola loli loll lolo loob loof lool loor lora lori loro lral lrba lrif lroi lrrr oafo oall oara obai obal obba obbo obia obla oboi obol obor obra obri obro off- offa offo offr ofla ofor ofra oiba oiii oila oira olaf olar olba olbo olfa olia olib olio olla olli ollo olof olor ooaa ooba oobi ooff ooia oola oolo oooo oora orab orai oral orao orar orba orbb orbi orbo orff orfi ori- oria orif oril orio orla orlo oro- orof oror orra orri orro raab raaf raba rabb rabi rabl rabo rafa raff rafi raia raif raii rail rair rala ralb ralf rall ralo raob raol rara rarb rarf rari raro rbaf rbbb rbbr rffl riaa riab riai rial rib- riba ribo rifa riff riia riif rila rill rilo riol riri rlab rlif roab roaf roar rob- roba robb robi robo roff rofl rofo roia roif roil roio roir rola rolf roll rolo roob roof rooi rool roor rora rori roro rrif rrrr