oat ob- oba obb obc obf obi obl obm obn obo obr obt oc- oca ocb occ ocf oci ocl ocm ocn oco ocr oct of- ofa ofb ofc off ofi ofl ofm ofn ofo ofr oft oia oib oic oif oii oil oim oin oio oir oit ola olb olc olf oli oll olm oln olo olt om- oma omb omc omf omi oml omm omn omo omr omt on- ona onb onc onf oni onl onn ono onr ont oo- ooa oob ooc oof ooi ool oom oon ooo oor oot or- ora orb orc orf ori orl orm orn oro orr ort ot- ota otb otc otf oti otl otm otn oto otr ott ra- raa rab rac raf rai ral ram ran rao rar rat rba rbb rbc rbf rbi rbl rbm rbn rbo rbr rbt rca rcb rcc rcf rci rcl rcm rcn rco rcr rct rfa rfb rfc rff rfi rfl rfm rfn rfo rfr rft ria rib ric rif rii ril rim rin rio rir rit rla rlc rlf rli rll rlm rln rlo rlr rlt rma rmb rmc rmf rmi rml rmm rmn rmo rmr rmt rna rnb rnc rni rnm rnn rno rnr rnt roa rob roc rof roi rol rom ron roo ror rot rra rrb rrc rrf rri rrl rrm rrn rrr rrt rta rtb rtc rtf rti rtl rtm rtn rto rtr rtt taa tab tac taf tai tal tam tan tao tar tat tba tbb tbc tbf tbi tbl tbm tbn tbo tbr tbt tca tcb tcc tcf tci tcl tcm tcn tco tcr tct tfa tfb tfc tff tfi tfl tfm tfn tfo tfr tft tia tib tic tif tii til tim tin tio tir tit tla tlc tlf tli tll tlm tln tlo tlr tlt tma tmb tmc tmf tmi tml tmm tmn tmo tmr tmt tna tnb tnc tnf tni tnl tnm tnn tno tnr tnt to- toa tob toc tof toi tol tom ton too tor tot tra trb trc trf tri trl trm trn tro trr trt tta ttb ttc ttf tti ttl ttm ttn tto ttr ttt

-ana a-ii aaaa aaab aaac aaaf aaai aaal aaam aaan aaar aaba aabb aabc aabi aabl aabm aabt aaca aacb aacc aacf aaci aacl aacm aacn aaco aacr aact aafa aafb aafc aaff aafi aafl aaib aaic aaii aain aala aalc aali aall aalo aama aamb aamc aami aamn aamo aamr aana aani aaon aaoo aara aarc aari aarm aaro aart aata aatc aatf aatt abaa abab abac abaf abai abal abam aban abar abat abb- abba abbb abbi abbo abbr abbt abca abcb abcc abcf abci abcl abcn abcr abct abff abia abib abic abil abim abin abir abit abla ablo abma abmb abmc abmt aboa abob abof abol abon aboo abor abot abra abrc abri abro abta ac-t acaa acab acac acai acan acar acat acba acbl acca accc accf acci accm acco acct acfc acfi acfl acfm acft aci- acia acic acif acim acin acir acla aclc acli aclr acma acmc acmf acmi acoa acol acom acon acor acot acr- acra acrc acri acrm acro acrr acta actc actf acti actl acto actt afaa afam afan afao afar afat afca afcb afcc afci affa affc affi affo afft afia afib afif afil afin afir afit afla aflc afma afmc afoa afol afoo afor afr- afra afrc afri afrm afro afta aftc aftn aiai aian aiba aibl aibn aibo aica aicc aicf aicr aiff aifl aiia aiib aiic aiin aiir aila aili ailm aimc aimi aiml aimm aimo aina ainc aini aino aint aioc aioi aion aira airi airo airt aita aitf aiti aitr aitt alaa alac alai alal alam alan alao alar alat alb- alba albc albi albm albo alca alcc alco alfa alfi ali- alia alib alif alii alil alim alin alio alir alit all- alla alli alll alln allo allr alma almc almo alna alni aloa aloc alof aloi alol alom alon aloo alor alot alro alta alti altm altn alto amaa amac amai amal amam aman amar amat amb- amba ambi ambn ambo ambr amca amcc amco amfm amfr amia amib amic amif amii amil amin amir amit amla amli amm- amma ammi ammo amni amno amnt amob amoc amof amoi amol amon amoo amor amot amra amrc amri amrl amro amta amtc amti amto ana- anaa anab anac anai anal anam anan anao anar anat anba anbb anbi anbl anbo anca ancc anco anct anfa anfo ania anib anic anif anil anim anin anio anir anit anla anlc anli anln anlo anma anna annb anni anno annt ano- anoa anom anon anor anrc anri ant- anta anti antl antm anto antr antt aoba aoca aola aoma aonb aono aont aora aorb aorn aort aotc aotf arab arac araf arai aral aram aran arar arat arba arbi arc- arca arci arcm arco arct arfa arfb arfc arff arft aria arib arif arii aril arim arin ario arit arla arli arlo arma armc armi arml armm armo armt arna arni arno arnt aroa arob aroi arom aron aroo aror arr- arra arrc arri arro arrr arrt arta artc arti arto artr at-l at-t ataa atab atac atai atal atan atar atat atca atcc atcf atcl atco atcr atfb atfc atia atic atif atil atim atin atit atla atli atlo atm- atma atml atmo atna atno atob atoc atof atoi atol atom aton ator atot atra atrc atri atrm atrn atro atta atti attn atto attr ba-i baaa baaf baal baam baan baar baat baba babb babi babm babo babr bac- baca bacc baci bacn baco bact bafc baff bafo baft baia baib baic bail bain baio bair bait bala balc balf bali ball balm balo balt bama bamb bamc bamf bami baml bamm bamn bana banc bani bann bano banr bant baol baon bar- bara barb barc barf bari barm barn baro barr bart bata batc batf bati batn bato batt bbbb bbci bbcm bbfc bbfn bbin bblb bbrc