a-a a-b a-i aaa aab aaf aah aai aao aap aar ab- aba abb abf abh abi abo abp abr af- afa afb aff afh afi afo afp afr aha ahb ahf ahh ahi aho ahp ahr ai- aia aib aif aih aii aio aip air aoa aob aof aoh aoi aoo aop aor ap- apa apb apf aph api apo app apr ar- ara arb arf arh ari aro arp arr b-p baa bab baf bah bai bao bap bar bba bbb bbf bbh bbi bbo bbp bbr bfa bfb bff bfh bfi bfo bfp bfr bha bhb bhf bhh bhi bho bhp bhr bi- bia bib bif bih bii bio bip bir boa bob bof boh boi boo bop bor bpa bpb bpf bph bpi bpo bpp bpr bra brb brf brh bri bro brp brr faa fab faf fah fai fao fap far fba fbb fbf fbh fbi fbo fbp fbr ffa fff ffh ffi ffo ffp ffr fha fhb fhf fhh fhi fho fhp fhr fia fib fif fih fii fip fir foa fob fof foh foi foo fop for fpa fpb fph fpi fpo fpp fpr fra frb frf frh fri fro frp frr h-i haa hab haf hah hai hao hap har hba hbb hbf hbh hbi hbo hbp hbr hfa hfb hff hfh hfi hfo hfp hfr hha hhb hhf hhh hhi hho hhp hhr hia hib hif hih hii hio hip hir hoa hob hof hoh hoi hoo hop hor hpa hpb hpf hph hpi hpo hpp hpr hr- hra hrb hrf hrh hri hro hrp hrr i-f ia- iaa iab iaf iah iai iao iap iar iba ibb ibf ibh ibi ibo ibp ibr ifa ifb iff ifi ifo ifp ifr iha ihb ihf ihh ihi iho ihp ihr iia iib iif iih iii iio iip iir io- ioa iob iof ioh ioi ioo iop ior ipa ipb ipf ipi ipo ipp ipr ir- ira irb irf iri iro irp irr o-i oaa oab oaf oah oai oao oap oar ob- oba obb obf obh obi obo obp obr of- ofa ofb off ofi ofo ofp ofr oha ohf ohh ohi oho ohp ohr oia oib oif oii oio oip oir oo- ooa oob oof ooh ooi ooo oop oor op- opa opb opf oph opi opo opp opr or- ora orb orf orh ori oro orp orr p-p paa pab paf pah pai pao pap par pba pbb pbf pbi pbo pbp pbr pfa pfb pff pfi pfo pfp pfr pha phb phf phi pho php phr pia pib pif pih pii pio pip pir poa pob pof poh poi poo pop por ppa ppb ppf pph ppi ppo ppp ppr pra prb prf prh pri pro prp prr ra- raa rab raf rah rai rao rap rar rba rbb rbf rbh rbi rbo rbp rbr rfa rfb rff rfh rfi rfo rfp rfr rh- rha rhb rhf rhh rhi rho rhp rhr ria rib rif rih rii rio rip rir roa rob rof roh roi roo rop ror rpa rpb rpf rph rpi rpo rpp rpr rra rrb rrf rrh rri rrp rrr

a-ha a-ii aaaa aaab aaaf aaah aaai aaap aaar aaba aabb aabh aabi aabp aafa aafb aaff aafi aaha aaib aaii aaoo aapa aaph aapi aapo aara aari aaro aarp abaa abab abaf abai abap abar abb- abba abbb abbi abbo abbr abff abha abhi abho abhr abia abib abir aboa abob abof aboh aboo abor abpa abpi abpp abpr abra abri abro afaa afao afap afar affa affi affo afia afib afif afir afoa afoo afor afpa afr- afra afri afro ahab ahah ahai ahar ahfa ahha ahio ahip ahir ahoa ahop ahor ahra ahrr aiai aiba aibo aiff aiha aiho aiia aiib aiir aioi aipa aipf aiph aipi aira airh airi airo airp aoah aoba aopo aora aorb apah apai apao apap apar apba apbr apfa apfo aph- apha api- apia apio apip apo- apof apoo apop apor appa apph appr apra apri apro arab araf arah arai arap arar arba arbh arbi arfa arfb arff arh- aria arib arif arii ario arip aroa arob aroi aroo aror arpa arpi arr- arra arrh arri arro arrr ba-i baaa baaf baah baar baba babb babi babo babr baff bafo baha bahi baho bahr baia baib baio bair baoh bapa bapi bapp bar- bara barb barf barh bari baro barr bbbb bbpr bfpo bfpp bhai bhao bhar bhff bhir bhoi bhor bhra biaf biao biap biar biba bibb bibi bibo bifa biff bifi biha bihi bio- bioi bipa bipp bira birb biri biro birr boab boai boar boba bobb bobi bobo bofa boff bofh boha boho bohr boi- boii boob boof booh boop boor bopa bopp bor- bora borf borh bori boro borr bpai brab braf brah brai brao bria brih brio broa brob broh broo bror brrr faaa faah faap faba fabi fabo fafa faff fafi fafo faha fahr faio fair fapa fapp fara farb faro farp farr fbar fbop ffar ffff ffii ffrr fiaa fiaf fiap fiar fiba fibp fifa fiff fifi fifo fiii fior fipa fipp fira foaf foar foba fofo fohr foia foof fopp for- fora forb fori foro forr fpaa fpra fprf frab frap fria frib frio frip frob froh frop h-ii haab haaf haar haba habi habo hafb haff haha haho haif hair haor hapa hapi happ hara harf harh hari haro harp harr hbar hbio hfba hfip hhaa hhhh hhip hhof hhpa hiaa hiab hiar hiba hibi hifa hiff hifh hifi hifo hifr hihi hiho hiob hipo hipp hira hirf hiri hiro hoai hoap hoar hoba hobo hoff hoha hoho hoif hoip hoir hoof hoop hoor hopa hopf hopi hopo hopp hora hori horo horr hpao hrap hrib hrip hrob hrpp iaaa iaai iaap iaba iaff iafp iaia iapa iapf iapp iara ibar ibfi ibia ibra ibri ibro ifaa ifao ifar ifbb ifor ifpa ifpo ifra ifrb ifrf ifri ihab ihba ihob ihop ihpa ihra iifa iiii iiio iioi