-al -ol a-a a-b a-i aaa aab aai aal aao aap aar ab- aba abb abi abl abo abp abr ai- aia aib aii ail aio aip air al- ala alb ali all alo alp alr aoa aob aoi aol aoo aop aor ap- apa apb api apl apo app apr ar- ara arb ari arl aro arp arr b-p baa bab bai bal bao bap bar bba bbb bbi bbl bbo bbp bbr bi- bia bib bii bil bio bip bir bla blb bli bll blo blp blr boa bob boi bol boo bop bor bpa bpb bpi bpl bpo bpp bpr bra brb bri brl bro brp brr ia- iaa iab iai ial iao iap iar iba ibb ibi ibl ibo ibp ibr iia iib iii iil iio iip iir il- ila ilb ili ill ilo ilp ilr io- ioa iob ioi iol ioo iop ior ipa ipb ipi ipl ipo ipp ipr ir- ira irb iri irl iro irp irr l-p la- laa lab lai lal lao lap lar lba lbb lbi lbl lbo lbp lbr lia lib lii lil lio lip lir lla llb lli lll llo llp llr loa lob loi lol loo lop lor lpa lpb lpi lpl lpo lpp lpr lra lrb lri lro lrp lrr o-i oaa oab oai oal oao oap oar ob- oba obb obi obl obo obp obr oia oib oii oil oio oip oir ola olb oli oll olo olp oo- ooa oob ooi ool ooo oop oor op- opa opb opi opl opo opp opr or- ora orb ori orl oro orp orr p-p paa pab pai pal pao pap par pba pbb pbi pbl pbo pbp pbr pia pib pii pil pio pip pir pla plb pli pll plo plp plr poa pob poi pol poo pop por ppa ppb ppi ppl ppo ppp ppr pra prb pri prl pro prp prr ra- raa rab rai ral rao rap rar rba rbb rbi rbl rbo rbp rbr ria rib rii ril rio rip rir rla rli rll rlo rlp rlr roa rob roi rol roo rop ror rpa rpb rpi rpl rpo rpp rpr rra rrb rri rrl rrp rrr

a-ii aaaa aaab aaai aaal aaap aaar aaba aabb aabi aabl aabp aaib aaii aala aali aall aalo aaoo aapa aapi aapl aapo aara aari aaro aarp abaa abab abai abal abap abar abb- abba abbb abbi abbo abbr abia abib abil abir abla ablo aboa abob abol aboo abor abpa abpi abpp abpr abra abri abro aiai aiba aibl aibo aiia aiib aiir aila aili aioi aipa aipi aira airi airo airp al-p alaa alai alal alao alap alar alb- alba albi albo ali- alia alib alii alil alio alip alir all- alla alli alll allo allr aloa aloi alol aloo alop alor alpa alpi alpl alpo alro aoba aola aopo aora aorb apai apal apao apap apar apba apbr api- apia apio apip apl- apla aplp apo- apoo apop apor appa appl appr apra apri apro arab arai aral arap arar arba arbi aria arib arii aril ario arip arla arli arlo aroa arob aroi aroo aror arpa arpi arpl arr- arra arri arro arrr ba-i baaa baal baar baba babb babi babo babr baia baib bail baio bair bala bali ball balo baol bapa bapi bapp bar- bara barb bari baro barr bbbb bblb bbpr bial biao biap biar biba bibb bibi bibl bibo bila bili bill bilo bio- bioi biol bipa bipp bira birb biri birl biro birr blaa blab blio blip blir blob bloo blop boab boai boal boar boba bobb bobi bobo boi- boii boil bola boli boll bolo boob bool boop boor bopa bopp bor- bora bori boro borr bpai brab brai brao bria bril brio brlp broa brob brol broo bror brrr iaaa iaai iaal iaap iaba iaia iala iall iapa iapp iara ibar ibia ibra ibri ibro iiii iiio iila iioi iioo iiop iipa iira ilal ilar ilia ilio ilir ill- illa illi illo illp iloo ilpa ilpr ioba iobi ioii ioio iola iolo iooi iooo iopl iora iori ipba ipil iplo ipop ippa ippo ippr ipri irai iral irao irap irar irbp iri- iria iril irio irip irla irlb irob irop irpa irra irri laaa laal laap laar laba labi labo labr laia lail laip lair lala lali lall lalo lapa lapb lapi lapp lara larb lari larp larr lbar lbia lblr liao liar liba libo libr liia liii liir lila lilb lili lill lilo lio- lior lip- lipa lipb lipi lipl lipo lipp lira liri lirl liro lirp lirr llao llll lloa lloo loap loar lob- loba lobb lobi lobo loir lola loli loll lolo loob lool loop loor lopa lopi lopp lora lori loro lpla lppl lprp lral lrba lroi lrrr oall oapi oara obai obal obba obbo obia obla oboi obol obor obra obri obro oiba oiii oila oira olar olba olbo olia olib olio olla olli ollo olor ooaa ooba oobi ooia oola oolo oooo oora opal opap opar opia opii opio opla opo- opor oppa oppi oppo opra orab orai oral orao orar orba orbb orbi orbo ori- oria oril orio orla orlo oro- oror orpi orra orri orro paal paap paar paba paia paib pail paio paip pair pala pali pall palo palp papa papb papi papp papr par- para pari parl paro parp parr pbar pbil pbpa piai pial piao pibb pibi piia piip pil- pila pili pill pilo piob pipa pipi pipo pipp pira piri pirl piro pirr plaa plab plai plap plar plbr plib plio plip plob ploo plop plpa plpp plra plri poar poba pobo poia poil poio pola poli poll polo pool poop poor pop- popa popi popo popp pora porb pori poro porr ppal ppap ppar ppib ppli pplo ppoa pppa pppo pppp prai prao prar pri- pria prii prlr pro- proa prob prol proo prop prri raab raba rabb rabi rabl rabo raia raii rail raip rair rala ralb rall ralo raob raol